diff --git a/ietf/community/migrations/0001_initial.py b/ietf/community/migrations/0001_initial.py
index 784093123..ebb54de7d 100644
--- a/ietf/community/migrations/0001_initial.py
+++ b/ietf/community/migrations/0001_initial.py
@@ -26,15 +26,15 @@ class Migration(migrations.Migration):
             name='EmailSubscription',
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('notify_on', models.CharField(choices=[(b'all', b'All changes'), (b'significant', b'Only significant state changes')], default=b'all', max_length=30)),
+                ('notify_on', models.CharField(choices=[('all', 'All changes'), ('significant', 'Only significant state changes')], default='all', max_length=30)),
             ],
         ),
         migrations.CreateModel(
             name='SearchRule',
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('rule_type', models.CharField(choices=[(b'group', b'All I-Ds associated with a particular group'), (b'area', b'All I-Ds associated with all groups in a particular Area'), (b'group_rfc', b'All RFCs associated with a particular group'), (b'area_rfc', b'All RFCs associated with all groups in a particular Area'), (b'state_iab', b'All I-Ds that are in a particular IAB state'), (b'state_iana', b'All I-Ds that are in a particular IANA state'), (b'state_iesg', b'All I-Ds that are in a particular IESG state'), (b'state_irtf', b'All I-Ds that are in a particular IRTF state'), (b'state_ise', b'All I-Ds that are in a particular ISE state'), (b'state_rfceditor', b'All I-Ds that are in a particular RFC Editor state'), (b'state_ietf', b'All I-Ds that are in a particular Working Group state'), (b'author', b'All I-Ds with a particular author'), (b'author_rfc', b'All RFCs with a particular author'), (b'ad', b'All I-Ds with a particular responsible AD'), (b'shepherd', b'All I-Ds with a particular document shepherd'), (b'name_contains', b'All I-Ds with particular text/regular expression in the name')], max_length=30)),
-                ('text', models.CharField(blank=True, default=b'', max_length=255, verbose_name=b'Text/RegExp')),
+                ('rule_type', models.CharField(choices=[('group', 'All I-Ds associated with a particular group'), ('area', 'All I-Ds associated with all groups in a particular Area'), ('group_rfc', 'All RFCs associated with a particular group'), ('area_rfc', 'All RFCs associated with all groups in a particular Area'), ('state_iab', 'All I-Ds that are in a particular IAB state'), ('state_iana', 'All I-Ds that are in a particular IANA state'), ('state_iesg', 'All I-Ds that are in a particular IESG state'), ('state_irtf', 'All I-Ds that are in a particular IRTF state'), ('state_ise', 'All I-Ds that are in a particular ISE state'), ('state_rfceditor', 'All I-Ds that are in a particular RFC Editor state'), ('state_ietf', 'All I-Ds that are in a particular Working Group state'), ('author', 'All I-Ds with a particular author'), ('author_rfc', 'All RFCs with a particular author'), ('ad', 'All I-Ds with a particular responsible AD'), ('shepherd', 'All I-Ds with a particular document shepherd'), ('name_contains', 'All I-Ds with particular text/regular expression in the name')], max_length=30)),
+                ('text', models.CharField(blank=True, default='', max_length=255, verbose_name='Text/RegExp')),
                 ('community_list', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='community.CommunityList')),
             ],
         ),
diff --git a/ietf/doc/migrations/0001_initial.py b/ietf/doc/migrations/0001_initial.py
index 6ec0f547a..b7fcec14b 100644
--- a/ietf/doc/migrations/0001_initial.py
+++ b/ietf/doc/migrations/0001_initial.py
@@ -40,7 +40,7 @@ class Migration(migrations.Migration):
             name='DeletedEvent',
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('json', models.TextField(help_text=b'Deleted object in JSON format, with attribute names chosen to be suitable for passing into the relevant create method.')),
+                ('json', models.TextField(help_text='Deleted object in JSON format, with attribute names chosen to be suitable for passing into the relevant create method.')),
                 ('time', models.DateTimeField(default=datetime.datetime.now)),
             ],
         ),
@@ -58,9 +58,9 @@ class Migration(migrations.Migration):
             name='DocEvent',
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('time', models.DateTimeField(db_index=True, default=datetime.datetime.now, help_text=b'When the event happened')),
+                ('time', models.DateTimeField(db_index=True, default=datetime.datetime.now, help_text='When the event happened')),
                 ('type', models.CharField(choices=[(b'new_revision', b'Added new revision'), (b'new_submission', b'Uploaded new revision'), (b'changed_document', b'Changed document metadata'), (b'added_comment', b'Added comment'), (b'added_message', b'Added message'), (b'edited_authors', b'Edited the documents author list'), (b'deleted', b'Deleted document'), (b'changed_state', b'Changed state'), (b'changed_stream', b'Changed document stream'), (b'expired_document', b'Expired document'), (b'extended_expiry', b'Extended expiry of document'), (b'requested_resurrect', b'Requested resurrect'), (b'completed_resurrect', b'Completed resurrect'), (b'changed_consensus', b'Changed consensus'), (b'published_rfc', b'Published RFC'), (b'added_suggested_replaces', b'Added suggested replacement relationships'), (b'reviewed_suggested_replaces', b'Reviewed suggested replacement relationships'), (b'changed_group', b'Changed group'), (b'changed_protocol_writeup', b'Changed protocol writeup'), (b'changed_charter_milestone', b'Changed charter milestone'), (b'initial_review', b'Set initial review time'), (b'changed_review_announcement', b'Changed WG Review text'), (b'changed_action_announcement', b'Changed WG Action text'), (b'started_iesg_process', b'Started IESG process on document'), (b'created_ballot', b'Created ballot'), (b'closed_ballot', b'Closed ballot'), (b'sent_ballot_announcement', b'Sent ballot announcement'), (b'changed_ballot_position', b'Changed ballot position'), (b'changed_ballot_approval_text', b'Changed ballot approval text'), (b'changed_ballot_writeup_text', b'Changed ballot writeup text'), (b'changed_rfc_editor_note_text', b'Changed RFC Editor Note text'), (b'changed_last_call_text', b'Changed last call text'), (b'requested_last_call', b'Requested last call'), (b'sent_last_call', b'Sent last call'), (b'scheduled_for_telechat', b'Scheduled for telechat'), (b'iesg_approved', b'IESG approved document (no problem)'), (b'iesg_disapproved', b'IESG disapproved document (do not publish)'), (b'approved_in_minute', b'Approved in minute'), (b'iana_review', b'IANA review comment'), (b'rfc_in_iana_registry', b'RFC is in IANA registry'), (b'rfc_editor_received_announcement', b'Announcement was received by RFC Editor'), (b'requested_publication', b'Publication at RFC Editor requested'), (b'sync_from_rfc_editor', b'Received updated information from RFC Editor'), (b'requested_review', b'Requested review'), (b'assigned_review_request', b'Assigned review request'), (b'closed_review_request', b'Closed review request'), (b'downref_approved', b'Downref approved')], max_length=50)),
-                ('rev', models.CharField(blank=True, max_length=16, null=True, verbose_name=b'revision')),
+                ('rev', models.CharField(blank=True, max_length=16, null=True, verbose_name='revision')),
                 ('desc', models.TextField()),
             ],
             options={
@@ -74,7 +74,7 @@ class Migration(migrations.Migration):
                 ('time', models.DateTimeField(default=datetime.datetime.now)),
                 ('title', models.CharField(max_length=255, validators=[django.core.validators.RegexValidator(message='Please enter a string without control characters.', regex='^[^\x00-\x1f]*$')])),
                 ('abstract', models.TextField(blank=True)),
-                ('rev', models.CharField(blank=True, max_length=16, verbose_name=b'revision')),
+                ('rev', models.CharField(blank=True, max_length=16, verbose_name='revision')),
                 ('pages', models.IntegerField(blank=True, null=True)),
                 ('words', models.IntegerField(blank=True, null=True)),
                 ('order', models.IntegerField(blank=True, default=1)),
@@ -94,8 +94,8 @@ class Migration(migrations.Migration):
             name='DocHistoryAuthor',
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('affiliation', models.CharField(blank=True, help_text=b'Organization/company used by author for submission', max_length=100)),
-                ('country', models.CharField(blank=True, help_text=b'Country used by author for submission', max_length=255)),
+                ('affiliation', models.CharField(blank=True, help_text='Organization/company used by author for submission', max_length=100)),
+                ('country', models.CharField(blank=True, help_text='Country used by author for submission', max_length=255)),
                 ('order', models.IntegerField(default=1)),
             ],
             options={
@@ -117,7 +117,7 @@ class Migration(migrations.Migration):
                 ('time', models.DateTimeField(default=datetime.datetime.now)),
                 ('title', models.CharField(max_length=255, validators=[django.core.validators.RegexValidator(message='Please enter a string without control characters.', regex='^[^\x00-\x1f]*$')])),
                 ('abstract', models.TextField(blank=True)),
-                ('rev', models.CharField(blank=True, max_length=16, verbose_name=b'revision')),
+                ('rev', models.CharField(blank=True, max_length=16, verbose_name='revision')),
                 ('pages', models.IntegerField(blank=True, null=True)),
                 ('words', models.IntegerField(blank=True, null=True)),
                 ('order', models.IntegerField(blank=True, default=1)),
@@ -127,8 +127,8 @@ class Migration(migrations.Migration):
                 ('note', models.TextField(blank=True)),
                 ('internal_comments', models.TextField(blank=True)),
                 ('name', models.CharField(max_length=255, primary_key=True, serialize=False, validators=[django.core.validators.RegexValidator(b'^[-a-z0-9]+$', b'Provide a valid document name consisting of lowercase letters, numbers and hyphens.', b'invalid')])),
-                ('ad', ietf.utils.models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='ad_document_set', to='person.Person', verbose_name=b'area director')),
-                ('formal_languages', models.ManyToManyField(blank=True, help_text=b'Formal languages used in document', to='name.FormalLanguageName')),
+                ('ad', ietf.utils.models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='ad_document_set', to='person.Person', verbose_name='area director')),
+                ('formal_languages', models.ManyToManyField(blank=True, help_text='Formal languages used in document', to='name.FormalLanguageName')),
             ],
             options={
                 'abstract': False,
@@ -138,11 +138,11 @@ class Migration(migrations.Migration):
             name='DocumentAuthor',
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('affiliation', models.CharField(blank=True, help_text=b'Organization/company used by author for submission', max_length=100)),
-                ('country', models.CharField(blank=True, help_text=b'Country used by author for submission', max_length=255)),
+                ('affiliation', models.CharField(blank=True, help_text='Organization/company used by author for submission', max_length=100)),
+                ('country', models.CharField(blank=True, help_text='Country used by author for submission', max_length=255)),
                 ('order', models.IntegerField(default=1)),
                 ('document', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='doc.Document')),
-                ('email', ietf.utils.models.ForeignKey(blank=True, help_text=b'Email address used by author for submission', null=True, on_delete=django.db.models.deletion.CASCADE, to='person.Email')),
+                ('email', ietf.utils.models.ForeignKey(blank=True, help_text='Email address used by author for submission', null=True, on_delete=django.db.models.deletion.CASCADE, to='person.Email')),
                 ('person', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='person.Person')),
             ],
             options={
@@ -154,7 +154,7 @@ class Migration(migrations.Migration):
             name='DocumentURL',
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('desc', models.CharField(blank=True, default=b'', max_length=255)),
+                ('desc', models.CharField(blank=True, default='', max_length=255)),
                 ('url', models.URLField(max_length=512)),
                 ('doc', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='doc.Document')),
                 ('tag', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='name.DocUrlTagName')),
@@ -197,7 +197,7 @@ class Migration(migrations.Migration):
             name='StateType',
             fields=[
                 ('slug', models.CharField(max_length=30, primary_key=True, serialize=False)),
-                ('label', models.CharField(help_text=b'Label that should be used (e.g. in admin) for state drop-down for this type of state', max_length=255)),
+                ('label', models.CharField(help_text='Label that should be used (e.g. in admin) for state drop-down for this type of state', max_length=255)),
             ],
         ),
         migrations.CreateModel(
@@ -219,10 +219,10 @@ class Migration(migrations.Migration):
             name='BallotPositionDocEvent',
             fields=[
                 ('docevent_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='doc.DocEvent')),
-                ('discuss', models.TextField(blank=True, help_text=b'Discuss text if position is discuss')),
-                ('discuss_time', models.DateTimeField(blank=True, help_text=b'Time discuss text was written', null=True)),
-                ('comment', models.TextField(blank=True, help_text=b'Optional comment')),
-                ('comment_time', models.DateTimeField(blank=True, help_text=b'Time optional comment was written', null=True)),
+                ('discuss', models.TextField(blank=True, help_text='Discuss text if position is discuss')),
+                ('discuss_time', models.DateTimeField(blank=True, help_text='Time discuss text was written', null=True)),
+                ('comment', models.TextField(blank=True, help_text='Optional comment')),
+                ('comment_time', models.DateTimeField(blank=True, help_text='Time optional comment was written', null=True)),
             ],
             bases=('doc.docevent',),
         ),
@@ -238,7 +238,7 @@ class Migration(migrations.Migration):
             name='EditedAuthorsDocEvent',
             fields=[
                 ('docevent_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='doc.DocEvent')),
-                ('basis', models.CharField(help_text=b'What is the source or reasoning for the changes to the author list', max_length=255)),
+                ('basis', models.CharField(help_text='What is the source or reasoning for the changes to the author list', max_length=255)),
             ],
             bases=('doc.docevent',),
         ),
diff --git a/ietf/doc/migrations/0002_auto_20180220_1052.py b/ietf/doc/migrations/0002_auto_20180220_1052.py
index 78b706cf5..471054bc9 100644
--- a/ietf/doc/migrations/0002_auto_20180220_1052.py
+++ b/ietf/doc/migrations/0002_auto_20180220_1052.py
@@ -34,7 +34,7 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='document',
             name='intended_std_level',
-            field=ietf.utils.models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='name.IntendedStdLevelName', verbose_name=b'Intended standardization level'),
+            field=ietf.utils.models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='name.IntendedStdLevelName', verbose_name='Intended standardization level'),
         ),
         migrations.AddField(
             model_name='document',
@@ -49,7 +49,7 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='document',
             name='std_level',
-            field=ietf.utils.models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='name.StdLevelName', verbose_name=b'Standardization level'),
+            field=ietf.utils.models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='name.StdLevelName', verbose_name='Standardization level'),
         ),
         migrations.AddField(
             model_name='document',
@@ -84,7 +84,7 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='dochistoryauthor',
             name='email',
-            field=ietf.utils.models.ForeignKey(blank=True, help_text=b'Email address used by author for submission', null=True, on_delete=django.db.models.deletion.CASCADE, to='person.Email'),
+            field=ietf.utils.models.ForeignKey(blank=True, help_text='Email address used by author for submission', null=True, on_delete=django.db.models.deletion.CASCADE, to='person.Email'),
         ),
         migrations.AddField(
             model_name='dochistoryauthor',
@@ -94,7 +94,7 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='dochistory',
             name='ad',
-            field=ietf.utils.models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='ad_dochistory_set', to='person.Person', verbose_name=b'area director'),
+            field=ietf.utils.models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='ad_dochistory_set', to='person.Person', verbose_name='area director'),
         ),
         migrations.AddField(
             model_name='dochistory',
@@ -104,7 +104,7 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='dochistory',
             name='formal_languages',
-            field=models.ManyToManyField(blank=True, help_text=b'Formal languages used in document', to='name.FormalLanguageName'),
+            field=models.ManyToManyField(blank=True, help_text='Formal languages used in document', to='name.FormalLanguageName'),
         ),
         migrations.AddField(
             model_name='dochistory',
@@ -114,7 +114,7 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='dochistory',
             name='intended_std_level',
-            field=ietf.utils.models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='name.IntendedStdLevelName', verbose_name=b'Intended standardization level'),
+            field=ietf.utils.models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='name.IntendedStdLevelName', verbose_name='Intended standardization level'),
         ),
         migrations.AddField(
             model_name='dochistory',
@@ -129,7 +129,7 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='dochistory',
             name='std_level',
-            field=ietf.utils.models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='name.StdLevelName', verbose_name=b'Standardization level'),
+            field=ietf.utils.models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='name.StdLevelName', verbose_name='Standardization level'),
         ),
         migrations.AddField(
             model_name='dochistory',
@@ -219,7 +219,7 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='ballotpositiondocevent',
             name='pos',
-            field=ietf.utils.models.ForeignKey(default=b'norecord', on_delete=django.db.models.deletion.CASCADE, to='name.BallotPositionName', verbose_name=b'position'),
+            field=ietf.utils.models.ForeignKey(default='norecord', on_delete=django.db.models.deletion.CASCADE, to='name.BallotPositionName', verbose_name='position'),
         ),
         migrations.AddField(
             model_name='ballotdocevent',
diff --git a/ietf/doc/migrations/0012_add_event_type_closed_review_assignment.py b/ietf/doc/migrations/0012_add_event_type_closed_review_assignment.py
index 813943da5..f3447d58f 100644
--- a/ietf/doc/migrations/0012_add_event_type_closed_review_assignment.py
+++ b/ietf/doc/migrations/0012_add_event_type_closed_review_assignment.py
@@ -21,6 +21,6 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='docevent',
             name='type',
-            field=models.CharField(choices=[(b'new_revision', b'Added new revision'), (b'new_submission', b'Uploaded new revision'), (b'changed_document', b'Changed document metadata'), (b'added_comment', b'Added comment'), (b'added_message', b'Added message'), (b'edited_authors', b'Edited the documents author list'), (b'deleted', b'Deleted document'), (b'changed_state', b'Changed state'), (b'changed_stream', b'Changed document stream'), (b'expired_document', b'Expired document'), (b'extended_expiry', b'Extended expiry of document'), (b'requested_resurrect', b'Requested resurrect'), (b'completed_resurrect', b'Completed resurrect'), (b'changed_consensus', b'Changed consensus'), (b'published_rfc', b'Published RFC'), (b'added_suggested_replaces', b'Added suggested replacement relationships'), (b'reviewed_suggested_replaces', b'Reviewed suggested replacement relationships'), (b'changed_group', b'Changed group'), (b'changed_protocol_writeup', b'Changed protocol writeup'), (b'changed_charter_milestone', b'Changed charter milestone'), (b'initial_review', b'Set initial review time'), (b'changed_review_announcement', b'Changed WG Review text'), (b'changed_action_announcement', b'Changed WG Action text'), (b'started_iesg_process', b'Started IESG process on document'), (b'created_ballot', b'Created ballot'), (b'closed_ballot', b'Closed ballot'), (b'sent_ballot_announcement', b'Sent ballot announcement'), (b'changed_ballot_position', b'Changed ballot position'), (b'changed_ballot_approval_text', b'Changed ballot approval text'), (b'changed_ballot_writeup_text', b'Changed ballot writeup text'), (b'changed_rfc_editor_note_text', b'Changed RFC Editor Note text'), (b'changed_last_call_text', b'Changed last call text'), (b'requested_last_call', b'Requested last call'), (b'sent_last_call', b'Sent last call'), (b'scheduled_for_telechat', b'Scheduled for telechat'), (b'iesg_approved', b'IESG approved document (no problem)'), (b'iesg_disapproved', b'IESG disapproved document (do not publish)'), (b'approved_in_minute', b'Approved in minute'), (b'iana_review', b'IANA review comment'), (b'rfc_in_iana_registry', b'RFC is in IANA registry'), (b'rfc_editor_received_announcement', b'Announcement was received by RFC Editor'), (b'requested_publication', b'Publication at RFC Editor requested'), (b'sync_from_rfc_editor', b'Received updated information from RFC Editor'), (b'requested_review', b'Requested review'), (b'assigned_review_request', b'Assigned review request'), (b'closed_review_request', b'Closed review request'), (b'closed_review_assignment', b'Closed review assignment'), (b'downref_approved', b'Downref approved')], max_length=50),
+            field=models.CharField(choices=[('new_revision', 'Added new revision'), ('new_submission', 'Uploaded new revision'), ('changed_document', 'Changed document metadata'), ('added_comment', 'Added comment'), ('added_message', 'Added message'), ('edited_authors', 'Edited the documents author list'), ('deleted', 'Deleted document'), ('changed_state', 'Changed state'), ('changed_stream', 'Changed document stream'), ('expired_document', 'Expired document'), ('extended_expiry', 'Extended expiry of document'), ('requested_resurrect', 'Requested resurrect'), ('completed_resurrect', 'Completed resurrect'), ('changed_consensus', 'Changed consensus'), ('published_rfc', 'Published RFC'), ('added_suggested_replaces', 'Added suggested replacement relationships'), ('reviewed_suggested_replaces', 'Reviewed suggested replacement relationships'), ('changed_group', 'Changed group'), ('changed_protocol_writeup', 'Changed protocol writeup'), ('changed_charter_milestone', 'Changed charter milestone'), ('initial_review', 'Set initial review time'), ('changed_review_announcement', 'Changed WG Review text'), ('changed_action_announcement', 'Changed WG Action text'), ('started_iesg_process', 'Started IESG process on document'), ('created_ballot', 'Created ballot'), ('closed_ballot', 'Closed ballot'), ('sent_ballot_announcement', 'Sent ballot announcement'), ('changed_ballot_position', 'Changed ballot position'), ('changed_ballot_approval_text', 'Changed ballot approval text'), ('changed_ballot_writeup_text', 'Changed ballot writeup text'), ('changed_rfc_editor_note_text', 'Changed RFC Editor Note text'), ('changed_last_call_text', 'Changed last call text'), ('requested_last_call', 'Requested last call'), ('sent_last_call', 'Sent last call'), ('scheduled_for_telechat', 'Scheduled for telechat'), ('iesg_approved', 'IESG approved document (no problem)'), ('iesg_disapproved', 'IESG disapproved document (do not publish)'), ('approved_in_minute', 'Approved in minute'), ('iana_review', 'IANA review comment'), ('rfc_in_iana_registry', 'RFC is in IANA registry'), ('rfc_editor_received_announcement', 'Announcement was received by RFC Editor'), ('requested_publication', 'Publication at RFC Editor requested'), ('sync_from_rfc_editor', 'Received updated information from RFC Editor'), ('requested_review', 'Requested review'), ('assigned_review_request', 'Assigned review request'), ('closed_review_request', 'Closed review request'), ('closed_review_assignment', 'Closed review assignment'), ('downref_approved', 'Downref approved')], max_length=50),
         ),
     ]
diff --git a/ietf/doc/migrations/0015_1_add_fk_to_document_id.py b/ietf/doc/migrations/0015_1_add_fk_to_document_id.py
index 1efabe53d..7a6248a1d 100644
--- a/ietf/doc/migrations/0015_1_add_fk_to_document_id.py
+++ b/ietf/doc/migrations/0015_1_add_fk_to_document_id.py
@@ -32,7 +32,7 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='document',
             name='name',
-            field=models.CharField(max_length=255, unique=True, validators=[django.core.validators.RegexValidator(b'^[-a-z0-9]+$', b'Provide a valid document name consisting of lowercase letters, numbers and hyphens.', b'invalid')]),
+            field=models.CharField(max_length=255, unique=True, validators=[django.core.validators.RegexValidator('^[-a-z0-9]+$', 'Provide a valid document name consisting of lowercase letters, numbers and hyphens.', 'invalid')]),
         ),
         migrations.AlterField(
             model_name='document',
diff --git a/ietf/doc/migrations/0019_rename_field_document2.py b/ietf/doc/migrations/0019_rename_field_document2.py
index 1d7cc0b21..396e29c50 100644
--- a/ietf/doc/migrations/0019_rename_field_document2.py
+++ b/ietf/doc/migrations/0019_rename_field_document2.py
@@ -71,7 +71,7 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='document',
             name='formal_languages',
-            field=models.ManyToManyField(blank=True, help_text=b'Formal languages used in document', to='name.FormalLanguageName'),
+            field=models.ManyToManyField(blank=True, help_text='Formal languages used in document', to='name.FormalLanguageName'),
         ),
         migrations.AddField(
             model_name='document',
diff --git a/ietf/group/migrations/0001_initial.py b/ietf/group/migrations/0001_initial.py
index 331aeb166..faebd4811 100644
--- a/ietf/group/migrations/0001_initial.py
+++ b/ietf/group/migrations/0001_initial.py
@@ -38,8 +38,8 @@ class Migration(migrations.Migration):
                 ('parent', ietf.utils.models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='group.Group')),
                 ('state', ietf.utils.models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, to='name.GroupStateName')),
                 ('type', ietf.utils.models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, to='name.GroupTypeName')),
-                ('unused_states', models.ManyToManyField(blank=True, help_text=b'Document states that have been disabled for the group.', to='doc.State')),
-                ('unused_tags', models.ManyToManyField(blank=True, help_text=b'Document tags that have been disabled for the group.', to='name.DocTagName')),
+                ('unused_states', models.ManyToManyField(blank=True, help_text='Document states that have been disabled for the group.', to='doc.State')),
+                ('unused_tags', models.ManyToManyField(blank=True, help_text='Document tags that have been disabled for the group.', to='name.DocTagName')),
             ],
             options={
                 'abstract': False,
@@ -49,8 +49,8 @@ class Migration(migrations.Migration):
             name='GroupEvent',
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('time', models.DateTimeField(default=datetime.datetime.now, help_text=b'When the event happened')),
-                ('type', models.CharField(choices=[(b'changed_state', b'Changed state'), (b'added_comment', b'Added comment'), (b'info_changed', b'Changed metadata'), (b'requested_close', b'Requested closing group'), (b'changed_milestone', b'Changed milestone'), (b'sent_notification', b'Sent notification'), (b'status_update', b'Status update')], max_length=50)),
+                ('time', models.DateTimeField(default=datetime.datetime.now, help_text='When the event happened')),
+                ('type', models.CharField(choices=[('changed_state', 'Changed state'), ('added_comment', 'Added comment'), ('info_changed', 'Changed metadata'), ('requested_close', 'Requested closing group'), ('changed_milestone', 'Changed milestone'), ('sent_notification', 'Sent notification'), ('status_update', 'Status update')], max_length=50)),
                 ('desc', models.TextField()),
             ],
             options={
@@ -73,8 +73,8 @@ class Migration(migrations.Migration):
                 ('parent', ietf.utils.models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='group.Group')),
                 ('state', ietf.utils.models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, to='name.GroupStateName')),
                 ('type', ietf.utils.models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, to='name.GroupTypeName')),
-                ('unused_states', models.ManyToManyField(blank=True, help_text=b'Document states that have been disabled for the group.', to='doc.State')),
-                ('unused_tags', models.ManyToManyField(blank=True, help_text=b'Document tags that have been disabled for the group.', to='name.DocTagName')),
+                ('unused_states', models.ManyToManyField(blank=True, help_text='Document states that have been disabled for the group.', to='doc.State')),
+                ('unused_tags', models.ManyToManyField(blank=True, help_text='Document tags that have been disabled for the group.', to='name.DocTagName')),
             ],
             options={
                 'verbose_name_plural': 'group histories',
@@ -84,9 +84,9 @@ class Migration(migrations.Migration):
             name='GroupMilestone',
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('desc', models.CharField(max_length=500, verbose_name=b'Description')),
+                ('desc', models.CharField(max_length=500, verbose_name='Description')),
                 ('due', models.DateField()),
-                ('resolved', models.CharField(blank=True, help_text=b'Explanation of why milestone is resolved (usually "Done"), or empty if still due.', max_length=50)),
+                ('resolved', models.CharField(blank=True, help_text='Explanation of why milestone is resolved (usually "Done"), or empty if still due.', max_length=50)),
                 ('time', models.DateTimeField(auto_now=True)),
                 ('docs', models.ManyToManyField(blank=True, to='doc.Document')),
                 ('group', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='group.Group')),
@@ -101,9 +101,9 @@ class Migration(migrations.Migration):
             name='GroupMilestoneHistory',
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('desc', models.CharField(max_length=500, verbose_name=b'Description')),
+                ('desc', models.CharField(max_length=500, verbose_name='Description')),
                 ('due', models.DateField()),
-                ('resolved', models.CharField(blank=True, help_text=b'Explanation of why milestone is resolved (usually "Done"), or empty if still due.', max_length=50)),
+                ('resolved', models.CharField(blank=True, help_text='Explanation of why milestone is resolved (usually "Done"), or empty if still due.', max_length=50)),
                 ('time', models.DateTimeField()),
                 ('docs', models.ManyToManyField(blank=True, to='doc.Document')),
                 ('group', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='group.Group')),
@@ -121,7 +121,7 @@ class Migration(migrations.Migration):
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                 ('group', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='group.Group')),
                 ('next_states', models.ManyToManyField(related_name='previous_groupstatetransitions_states', to='doc.State')),
-                ('state', ietf.utils.models.ForeignKey(help_text=b'State for which the next states should be overridden', on_delete=django.db.models.deletion.CASCADE, to='doc.State')),
+                ('state', ietf.utils.models.ForeignKey(help_text='State for which the next states should be overridden', on_delete=django.db.models.deletion.CASCADE, to='doc.State')),
             ],
         ),
         migrations.CreateModel(
@@ -137,7 +137,7 @@ class Migration(migrations.Migration):
             name='Role',
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('email', ietf.utils.models.ForeignKey(help_text=b'Email address used by person for this role.', on_delete=django.db.models.deletion.CASCADE, to='person.Email')),
+                ('email', ietf.utils.models.ForeignKey(help_text='Email address used by person for this role.', on_delete=django.db.models.deletion.CASCADE, to='person.Email')),
                 ('group', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='group.Group')),
                 ('name', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='name.RoleName')),
                 ('person', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='person.Person')),
@@ -150,7 +150,7 @@ class Migration(migrations.Migration):
             name='RoleHistory',
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('email', ietf.utils.models.ForeignKey(help_text=b'Email address used by person for this role.', on_delete=django.db.models.deletion.CASCADE, to='person.Email')),
+                ('email', ietf.utils.models.ForeignKey(help_text='Email address used by person for this role.', on_delete=django.db.models.deletion.CASCADE, to='person.Email')),
                 ('group', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='group.GroupHistory')),
                 ('name', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='name.RoleName')),
                 ('person', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='person.Person')),
diff --git a/ietf/group/migrations/0002_groupfeatures_historicalgroupfeatures.py b/ietf/group/migrations/0002_groupfeatures_historicalgroupfeatures.py
index 54f7f784e..c56844089 100644
--- a/ietf/group/migrations/0002_groupfeatures_historicalgroupfeatures.py
+++ b/ietf/group/migrations/0002_groupfeatures_historicalgroupfeatures.py
@@ -29,38 +29,38 @@ class Migration(migrations.Migration):
             name='GroupFeatures',
             fields=[
                 ('type', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, primary_key=True, serialize=False, to='name.GroupTypeName', related_name='features')),
-                ('has_milestones', models.BooleanField(default=False, verbose_name=b'Milestones')),
-                ('has_chartering_process', models.BooleanField(default=False, verbose_name=b'Chartering')),
-                ('has_documents', models.BooleanField(default=False, verbose_name=b'Documents')),
-                ('has_dependencies', models.BooleanField(default=False, verbose_name=b'Dependencies')),
-                ('has_nonsession_materials', models.BooleanField(default=False, verbose_name=b'Materials')),
-                ('has_meetings', models.BooleanField(default=False, verbose_name=b'Meetings')),
-                ('has_reviews', models.BooleanField(default=False, verbose_name=b'Reviews')),
-                ('has_default_jabber', models.BooleanField(default=False, verbose_name=b'Jabber')),
-                ('customize_workflow', models.BooleanField(default=False, verbose_name=b'Workflow')),
-                ('about_page', models.CharField(default=b'ietf.group.views.group_about', max_length=64)),
-                ('default_tab', models.CharField(default=b'ietf.group.views.group_about', max_length=64)),
-                ('material_types', models.CharField(default=b'slides', max_length=64, validators=[django.core.validators.RegexValidator(code=b'invalid', message=b'Enter a comma-separated list of material types', regex=b'[a-z0-9_-]+(,[a-z0-9_-]+)*')])),
-                ('admin_roles', models.CharField(default=b'chair', max_length=64, validators=[django.core.validators.RegexValidator(code=b'invalid', message=b'Enter a comma-separated list of role slugs', regex=b'[a-z0-9_-]+(,[a-z0-9_-]+)*')])),
-                ('agenda_type', models.ForeignKey(default=b'ietf', null=True, on_delete=django.db.models.deletion.CASCADE, to='name.AgendaTypeName')),
+                ('has_milestones', models.BooleanField(default=False, verbose_name='Milestones')),
+                ('has_chartering_process', models.BooleanField(default=False, verbose_name='Chartering')),
+                ('has_documents', models.BooleanField(default=False, verbose_name='Documents')),
+                ('has_dependencies', models.BooleanField(default=False, verbose_name='Dependencies')),
+                ('has_nonsession_materials', models.BooleanField(default=False, verbose_name='Materials')),
+                ('has_meetings', models.BooleanField(default=False, verbose_name='Meetings')),
+                ('has_reviews', models.BooleanField(default=False, verbose_name='Reviews')),
+                ('has_default_jabber', models.BooleanField(default=False, verbose_name='Jabber')),
+                ('customize_workflow', models.BooleanField(default=False, verbose_name='Workflow')),
+                ('about_page', models.CharField(default='ietf.group.views.group_about', max_length=64)),
+                ('default_tab', models.CharField(default='ietf.group.views.group_about', max_length=64)),
+                ('material_types', models.CharField(default='slides', max_length=64, validators=[django.core.validators.RegexValidator(code=b'invalid', message=b'Enter a comma-separated list of material types', regex=b'[a-z0-9_-]+(,[a-z0-9_-]+)*')])),
+                ('admin_roles', models.CharField(default='chair', max_length=64, validators=[django.core.validators.RegexValidator(code=b'invalid', message=b'Enter a comma-separated list of role slugs', regex=b'[a-z0-9_-]+(,[a-z0-9_-]+)*')])),
+                ('agenda_type', models.ForeignKey(default='ietf', null=True, on_delete=django.db.models.deletion.CASCADE, to='name.AgendaTypeName')),
             ],
         ),
         migrations.CreateModel(
             name='HistoricalGroupFeatures',
             fields=[
-                ('has_milestones', models.BooleanField(default=False, verbose_name=b'Milestones')),
-                ('has_chartering_process', models.BooleanField(default=False, verbose_name=b'Chartering')),
-                ('has_documents', models.BooleanField(default=False, verbose_name=b'Documents')),
-                ('has_dependencies', models.BooleanField(default=False, verbose_name=b'Dependencies')),
-                ('has_nonsession_materials', models.BooleanField(default=False, verbose_name=b'Materials')),
-                ('has_meetings', models.BooleanField(default=False, verbose_name=b'Meetings')),
-                ('has_reviews', models.BooleanField(default=False, verbose_name=b'Reviews')),
-                ('has_default_jabber', models.BooleanField(default=False, verbose_name=b'Jabber')),
-                ('customize_workflow', models.BooleanField(default=False, verbose_name=b'Workflow')),
-                ('about_page', models.CharField(default=b'ietf.group.views.group_about', max_length=64)),
-                ('default_tab', models.CharField(default=b'ietf.group.views.group_about', max_length=64)),
-                ('material_types', models.CharField(default=b'slides', max_length=64, validators=[django.core.validators.RegexValidator(code=b'invalid', message=b'Enter a comma-separated list of material types', regex=b'[a-z0-9_-]+(,[a-z0-9_-]+)*')])),
-                ('admin_roles', models.CharField(default=b'chair', max_length=64, validators=[django.core.validators.RegexValidator(code=b'invalid', message=b'Enter a comma-separated list of role slugs', regex=b'[a-z0-9_-]+(,[a-z0-9_-]+)*')])),
+                ('has_milestones', models.BooleanField(default=False, verbose_name='Milestones')),
+                ('has_chartering_process', models.BooleanField(default=False, verbose_name='Chartering')),
+                ('has_documents', models.BooleanField(default=False, verbose_name='Documents')),
+                ('has_dependencies', models.BooleanField(default=False, verbose_name='Dependencies')),
+                ('has_nonsession_materials', models.BooleanField(default=False, verbose_name='Materials')),
+                ('has_meetings', models.BooleanField(default=False, verbose_name='Meetings')),
+                ('has_reviews', models.BooleanField(default=False, verbose_name='Reviews')),
+                ('has_default_jabber', models.BooleanField(default=False, verbose_name='Jabber')),
+                ('customize_workflow', models.BooleanField(default=False, verbose_name='Workflow')),
+                ('about_page', models.CharField(default='ietf.group.views.group_about', max_length=64)),
+                ('default_tab', models.CharField(default='ietf.group.views.group_about', max_length=64)),
+                ('material_types', models.CharField(default='slides', max_length=64, validators=[django.core.validators.RegexValidator(code=b'invalid', message=b'Enter a comma-separated list of material types', regex=b'[a-z0-9_-]+(,[a-z0-9_-]+)*')])),
+                ('admin_roles', models.CharField(default='chair', max_length=64, validators=[django.core.validators.RegexValidator(code=b'invalid', message=b'Enter a comma-separated list of role slugs', regex=b'[a-z0-9_-]+(,[a-z0-9_-]+)*')])),
                 ('history_id', models.AutoField(primary_key=True, serialize=False)),
                 ('history_change_reason', models.CharField(max_length=100, null=True)),
                 ('history_date', models.DateTimeField()),
diff --git a/ietf/group/migrations/0004_add_group_feature_fields.py b/ietf/group/migrations/0004_add_group_feature_fields.py
index 625273c74..8d2a18a3f 100644
--- a/ietf/group/migrations/0004_add_group_feature_fields.py
+++ b/ietf/group/migrations/0004_add_group_feature_fields.py
@@ -19,91 +19,91 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='groupfeatures',
             name='acts_like_wg',
-            field=models.BooleanField(default=False, verbose_name=b'WG-Like'),
+            field=models.BooleanField(default=False, verbose_name='WG-Like'),
         ),
         migrations.AddField(
             model_name='groupfeatures',
             name='create_wiki',
-            field=models.BooleanField(default=False, verbose_name=b'Wiki'),
+            field=models.BooleanField(default=False, verbose_name='Wiki'),
         ),
         migrations.AddField(
             model_name='groupfeatures',
             name='custom_group_roles',
-            field=models.BooleanField(default=False, verbose_name=b'Group Roles'),
+            field=models.BooleanField(default=False, verbose_name='Group Roles'),
         ),
         migrations.AddField(
             model_name='groupfeatures',
             name='has_session_materials',
-            field=models.BooleanField(default=False, verbose_name=b'Materials'),
+            field=models.BooleanField(default=False, verbose_name='Materials'),
         ),
         migrations.AddField(
             model_name='groupfeatures',
             name='is_schedulable',
-            field=models.BooleanField(default=False, verbose_name=b'Schedulable'),
+            field=models.BooleanField(default=False, verbose_name='Schedulable'),
         ),
         migrations.AddField(
             model_name='groupfeatures',
             name='role_order',
-            field=models.CharField(default=b'chair,secr,member', help_text=b'The order in which roles are shown, for instance on photo pages', max_length=128, validators=[django.core.validators.RegexValidator(code=b'invalid', message=b'Enter a comma-separated list of role slugs', regex=b'[a-z0-9_-]+(,[a-z0-9_-]+)*')]),
+            field=models.CharField(default='chair,secr,member', help_text='The order in which roles are shown, for instance on photo pages', max_length=128, validators=[django.core.validators.RegexValidator(code=b'invalid', message=b'Enter a comma-separated list of role slugs', regex=b'[a-z0-9_-]+(,[a-z0-9_-]+)*')]),
         ),
         migrations.AddField(
             model_name='groupfeatures',
             name='show_on_agenda',
-            field=models.BooleanField(default=False, verbose_name=b'On Agenda'),
+            field=models.BooleanField(default=False, verbose_name='On Agenda'),
         ),
         migrations.AddField(
             model_name='groupfeatures',
             name='req_subm_approval',
-            field=models.BooleanField(default=False, verbose_name=b'Subm. Approval'),
+            field=models.BooleanField(default=False, verbose_name='Subm. Approval'),
         ),
         migrations.AddField(
             model_name='groupfeatures',
             name='matman_roles',
-            field=models.CharField(default=b'ad,chair,delegate,secr', max_length=64, validators=[django.core.validators.RegexValidator(code=b'invalid', message=b'Enter a comma-separated list of role slugs', regex=b'[a-z0-9_-]+(,[a-z0-9_-]+)*')]),
+            field=models.CharField(default='ad,chair,delegate,secr', max_length=64, validators=[django.core.validators.RegexValidator(code=b'invalid', message=b'Enter a comma-separated list of role slugs', regex=b'[a-z0-9_-]+(,[a-z0-9_-]+)*')]),
         ),
         migrations.AddField(
             model_name='historicalgroupfeatures',
             name='acts_like_wg',
-            field=models.BooleanField(default=False, verbose_name=b'WG-Like'),
+            field=models.BooleanField(default=False, verbose_name='WG-Like'),
         ),
         migrations.AddField(
             model_name='historicalgroupfeatures',
             name='create_wiki',
-            field=models.BooleanField(default=False, verbose_name=b'Wiki'),
+            field=models.BooleanField(default=False, verbose_name='Wiki'),
         ),
         migrations.AddField(
             model_name='historicalgroupfeatures',
             name='custom_group_roles',
-            field=models.BooleanField(default=False, verbose_name=b'Group Roles'),
+            field=models.BooleanField(default=False, verbose_name='Group Roles'),
         ),
         migrations.AddField(
             model_name='historicalgroupfeatures',
             name='has_session_materials',
-            field=models.BooleanField(default=False, verbose_name=b'Materials'),
+            field=models.BooleanField(default=False, verbose_name='Materials'),
         ),
         migrations.AddField(
             model_name='historicalgroupfeatures',
             name='is_schedulable',
-            field=models.BooleanField(default=False, verbose_name=b'Schedulable'),
+            field=models.BooleanField(default=False, verbose_name='Schedulable'),
         ),
         migrations.AddField(
             model_name='historicalgroupfeatures',
             name='role_order',
-            field=models.CharField(default=b'chair,secr,member', help_text=b'The order in which roles are shown, for instance on photo pages', max_length=128, validators=[django.core.validators.RegexValidator(code=b'invalid', message=b'Enter a comma-separated list of role slugs', regex=b'[a-z0-9_-]+(,[a-z0-9_-]+)*')]),
+            field=models.CharField(default='chair,secr,member', help_text='The order in which roles are shown, for instance on photo pages', max_length=128, validators=[django.core.validators.RegexValidator(code=b'invalid', message=b'Enter a comma-separated list of role slugs', regex=b'[a-z0-9_-]+(,[a-z0-9_-]+)*')]),
         ),
         migrations.AddField(
             model_name='historicalgroupfeatures',
             name='show_on_agenda',
-            field=models.BooleanField(default=False, verbose_name=b'On Agenda'),
+            field=models.BooleanField(default=False, verbose_name='On Agenda'),
         ),
         migrations.AddField(
             model_name='historicalgroupfeatures',
             name='req_subm_approval',
-            field=models.BooleanField(default=False, verbose_name=b'Subm. Approval'),
+            field=models.BooleanField(default=False, verbose_name='Subm. Approval'),
         ),
         migrations.AddField(
             model_name='historicalgroupfeatures',
             name='matman_roles',
-            field=models.CharField(default=b'ad,chair,delegate,secr', max_length=64, validators=[django.core.validators.RegexValidator(code=b'invalid', message=b'Enter a comma-separated list of role slugs', regex=b'[a-z0-9_-]+(,[a-z0-9_-]+)*')]),
+            field=models.CharField(default='ad,chair,delegate,secr', max_length=64, validators=[django.core.validators.RegexValidator(code=b'invalid', message=b'Enter a comma-separated list of role slugs', regex=b'[a-z0-9_-]+(,[a-z0-9_-]+)*')]),
         ),
     ]
diff --git a/ietf/group/migrations/0006_group_features_lists_to_jsonfield.py b/ietf/group/migrations/0006_group_features_lists_to_jsonfield.py
index bd045f6f5..f332cd058 100644
--- a/ietf/group/migrations/0006_group_features_lists_to_jsonfield.py
+++ b/ietf/group/migrations/0006_group_features_lists_to_jsonfield.py
@@ -19,91 +19,91 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='groupfeatures',
             name='docman_roles',
-            field=jsonfield.fields.JSONField(default=[b'ad', b'chair', b'delegate', b'secr'], max_length=128),
+            field=jsonfield.fields.JSONField(default=['ad', 'chair', 'delegate', 'secr'], max_length=128),
         ),
         migrations.AddField(
             model_name='groupfeatures',
             name='groupman_roles',
-            field=jsonfield.fields.JSONField(default=[b'ad', b'chair'], max_length=128),
+            field=jsonfield.fields.JSONField(default=['ad', 'chair'], max_length=128),
         ),
         migrations.AddField(
             model_name='historicalgroupfeatures',
             name='docman_roles',
-            field=jsonfield.fields.JSONField(default=[b'ad', b'chair', b'delegate', b'secr'], max_length=128),
+            field=jsonfield.fields.JSONField(default=['ad', 'chair', 'delegate', 'secr'], max_length=128),
         ),
         migrations.AddField(
             model_name='historicalgroupfeatures',
             name='groupman_roles',
-            field=jsonfield.fields.JSONField(default=[b'ad', b'chair'], max_length=128),
+            field=jsonfield.fields.JSONField(default=['ad', 'chair'], max_length=128),
         ),
         migrations.AlterField(
             model_name='groupfeatures',
             name='admin_roles',
-            field=jsonfield.fields.JSONField(default=[b'chair'], max_length=64),
+            field=jsonfield.fields.JSONField(default=['chair'], max_length=64),
         ),
         migrations.AlterField(
             model_name='groupfeatures',
             name='custom_group_roles',
-            field=models.BooleanField(default=False, verbose_name=b'Cust. Roles'),
+            field=models.BooleanField(default=False, verbose_name='Cust. Roles'),
         ),
         migrations.AlterField(
             model_name='groupfeatures',
             name='has_nonsession_materials',
-            field=models.BooleanField(default=False, verbose_name=b'Other Matrl.'),
+            field=models.BooleanField(default=False, verbose_name='Other Matrl.'),
         ),
         migrations.AlterField(
             model_name='groupfeatures',
             name='has_session_materials',
-            field=models.BooleanField(default=False, verbose_name=b'Sess Matrl.'),
+            field=models.BooleanField(default=False, verbose_name='Sess Matrl.'),
         ),
         migrations.AlterField(
             model_name='groupfeatures',
             name='material_types',
-            field=jsonfield.fields.JSONField(default=[b'slides'], max_length=64),
+            field=jsonfield.fields.JSONField(default=['slides'], max_length=64),
         ),
         migrations.AlterField(
             model_name='groupfeatures',
             name='matman_roles',
-            field=jsonfield.fields.JSONField(default=[b'ad', b'chair', b'delegate', b'secr'], max_length=128),
+            field=jsonfield.fields.JSONField(default=['ad', 'chair', 'delegate', 'secr'], max_length=128),
         ),
         migrations.AlterField(
             model_name='groupfeatures',
             name='role_order',
-            field=jsonfield.fields.JSONField(default=[b'chair', b'secr', b'member'], help_text=b'The order in which roles are shown, for instance on photo pages.  Enter valid JSON.', max_length=128),
+            field=jsonfield.fields.JSONField(default=['chair', 'secr', 'member'], help_text='The order in which roles are shown, for instance on photo pages.  Enter valid JSON.', max_length=128),
         ),
         migrations.AlterField(
             model_name='historicalgroupfeatures',
             name='admin_roles',
-            field=jsonfield.fields.JSONField(default=[b'chair'], max_length=64),
+            field=jsonfield.fields.JSONField(default=['chair'], max_length=64),
         ),
         migrations.AlterField(
             model_name='historicalgroupfeatures',
             name='custom_group_roles',
-            field=models.BooleanField(default=False, verbose_name=b'Cust. Roles'),
+            field=models.BooleanField(default=False, verbose_name='Cust. Roles'),
         ),
         migrations.AlterField(
             model_name='historicalgroupfeatures',
             name='has_nonsession_materials',
-            field=models.BooleanField(default=False, verbose_name=b'Other Matrl.'),
+            field=models.BooleanField(default=False, verbose_name='Other Matrl.'),
         ),
         migrations.AlterField(
             model_name='historicalgroupfeatures',
             name='has_session_materials',
-            field=models.BooleanField(default=False, verbose_name=b'Sess Matrl.'),
+            field=models.BooleanField(default=False, verbose_name='Sess Matrl.'),
         ),
         migrations.AlterField(
             model_name='historicalgroupfeatures',
             name='material_types',
-            field=jsonfield.fields.JSONField(default=[b'slides'], max_length=64),
+            field=jsonfield.fields.JSONField(default=['slides'], max_length=64),
         ),
         migrations.AlterField(
             model_name='historicalgroupfeatures',
             name='matman_roles',
-            field=jsonfield.fields.JSONField(default=[b'ad', b'chair', b'delegate', b'secr'], max_length=128),
+            field=jsonfield.fields.JSONField(default=['ad', 'chair', 'delegate', 'secr'], max_length=128),
         ),
         migrations.AlterField(
             model_name='historicalgroupfeatures',
             name='role_order',
-            field=jsonfield.fields.JSONField(default=[b'chair', b'secr', b'member'], help_text=b'The order in which roles are shown, for instance on photo pages.  Enter valid JSON.', max_length=128),
+            field=jsonfield.fields.JSONField(default=['chair', 'secr', 'member'], help_text='The order in which roles are shown, for instance on photo pages.  Enter valid JSON.', max_length=128),
         ),
     ]
diff --git a/ietf/group/migrations/0009_auto_20190122_1012.py b/ietf/group/migrations/0009_auto_20190122_1012.py
index 254ec9e69..b026bee72 100644
--- a/ietf/group/migrations/0009_auto_20190122_1012.py
+++ b/ietf/group/migrations/0009_auto_20190122_1012.py
@@ -19,6 +19,6 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='historicalgroupfeatures',
             name='agenda_type',
-            field=models.ForeignKey(blank=True, db_constraint=False, default=b'ietf', null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to='name.AgendaTypeName'),
+            field=models.ForeignKey(blank=True, db_constraint=False, default='ietf', null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to='name.AgendaTypeName'),
         ),
     ]
diff --git a/ietf/group/migrations/0013_add_groupmilestone_docs2_m2m.py b/ietf/group/migrations/0013_add_groupmilestone_docs2_m2m.py
index 823ac3ee5..d3422419e 100644
--- a/ietf/group/migrations/0013_add_groupmilestone_docs2_m2m.py
+++ b/ietf/group/migrations/0013_add_groupmilestone_docs2_m2m.py
@@ -35,12 +35,12 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='group',
             name='charter2',
-            field=ietf.utils.models.OneToOneField(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='chartered_group', to='doc.Document', to_field=b'id'),
+            field=ietf.utils.models.OneToOneField(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='chartered_group', to='doc.Document', to_field='id'),
         ),
         migrations.AlterField(
             model_name='group',
             name='charter',
-            field=ietf.utils.models.OneToOneField(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='old_group', to='doc.Document', to_field=b'name'),
+            field=ietf.utils.models.OneToOneField(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='old_group', to='doc.Document', to_field='name'),
         ),
         migrations.AddField(
             model_name='groupmilestone',
diff --git a/ietf/ipr/migrations/0001_initial.py b/ietf/ipr/migrations/0001_initial.py
index ac077dd85..668d8e1df 100644
--- a/ietf/ipr/migrations/0001_initial.py
+++ b/ietf/ipr/migrations/0001_initial.py
@@ -26,10 +26,10 @@ class Migration(migrations.Migration):
             name='IprDisclosureBase',
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('compliant', models.BooleanField(default=True, verbose_name=b'Complies to RFC3979')),
+                ('compliant', models.BooleanField(default=True, verbose_name='Complies to RFC3979')),
                 ('holder_legal_name', models.CharField(max_length=255)),
-                ('notes', models.TextField(blank=True, verbose_name=b'Additional notes')),
-                ('other_designations', models.CharField(blank=True, max_length=255, verbose_name=b'Designations for other contributions')),
+                ('notes', models.TextField(blank=True, verbose_name='Additional notes')),
+                ('other_designations', models.CharField(blank=True, max_length=255, verbose_name='Designations for other contributions')),
                 ('submitter_name', models.CharField(blank=True, max_length=255)),
                 ('submitter_email', models.EmailField(blank=True, max_length=254)),
                 ('time', models.DateTimeField(auto_now_add=True)),
@@ -69,7 +69,7 @@ class Migration(migrations.Migration):
                 ('iprdisclosurebase_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='ipr.IprDisclosureBase')),
                 ('holder_contact_name', models.CharField(max_length=255)),
                 ('holder_contact_email', models.EmailField(max_length=254)),
-                ('holder_contact_info', models.TextField(blank=True, help_text=b'Address, phone, etc.')),
+                ('holder_contact_info', models.TextField(blank=True, help_text='Address, phone, etc.')),
                 ('statement', models.TextField()),
             ],
             bases=('ipr.iprdisclosurebase',),
@@ -85,7 +85,7 @@ class Migration(migrations.Migration):
                 ('has_patent_pending', models.BooleanField(default=False)),
                 ('holder_contact_email', models.EmailField(max_length=254)),
                 ('holder_contact_name', models.CharField(max_length=255)),
-                ('holder_contact_info', models.TextField(blank=True, help_text=b'Address, phone, etc.')),
+                ('holder_contact_info', models.TextField(blank=True, help_text='Address, phone, etc.')),
                 ('licensing_comments', models.TextField(blank=True)),
                 ('submitter_claims_all_terms_disclosed', models.BooleanField(default=False)),
                 ('licensing', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='name.IprLicenseTypeName')),
@@ -105,7 +105,7 @@ class Migration(migrations.Migration):
                 ('iprdisclosurebase_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='ipr.IprDisclosureBase')),
                 ('holder_contact_name', models.CharField(max_length=255)),
                 ('holder_contact_email', models.EmailField(max_length=254)),
-                ('holder_contact_info', models.TextField(blank=True, help_text=b'Address, phone, etc.')),
+                ('holder_contact_info', models.TextField(blank=True, help_text='Address, phone, etc.')),
                 ('patent_info', models.TextField()),
                 ('has_patent_pending', models.BooleanField(default=False)),
                 ('statement', models.TextField()),
@@ -118,7 +118,7 @@ class Migration(migrations.Migration):
                 ('iprdisclosurebase_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='ipr.IprDisclosureBase')),
                 ('ietfer_name', models.CharField(max_length=255)),
                 ('ietfer_contact_email', models.EmailField(max_length=254)),
-                ('ietfer_contact_info', models.TextField(blank=True, help_text=b'Address, phone, etc.')),
+                ('ietfer_contact_info', models.TextField(blank=True, help_text='Address, phone, etc.')),
                 ('patent_info', models.TextField()),
                 ('has_patent_pending', models.BooleanField(default=False)),
             ],
diff --git a/ietf/liaisons/migrations/0001_initial.py b/ietf/liaisons/migrations/0001_initial.py
index df733a3cd..6071f82de 100644
--- a/ietf/liaisons/migrations/0001_initial.py
+++ b/ietf/liaisons/migrations/0001_initial.py
@@ -27,10 +27,10 @@ class Migration(migrations.Migration):
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                 ('title', models.CharField(max_length=255)),
-                ('to_contacts', models.CharField(help_text=b'Contacts at recipient group', max_length=2000)),
-                ('response_contacts', models.CharField(blank=True, help_text=b'Where to send a response', max_length=255)),
-                ('technical_contacts', models.CharField(blank=True, help_text=b'Who to contact for clarification', max_length=255)),
-                ('action_holder_contacts', models.CharField(blank=True, help_text=b'Who makes sure action is completed', max_length=255)),
+                ('to_contacts', models.CharField(help_text='Contacts at recipient group', max_length=2000)),
+                ('response_contacts', models.CharField(blank=True, help_text='Where to send a response', max_length=255)),
+                ('technical_contacts', models.CharField(blank=True, help_text='Who to contact for clarification', max_length=255)),
+                ('action_holder_contacts', models.CharField(blank=True, help_text='Who makes sure action is completed', max_length=255)),
                 ('cc_contacts', models.TextField(blank=True)),
                 ('deadline', models.DateField(blank=True, null=True)),
                 ('other_identifiers', models.TextField(blank=True, null=True)),
@@ -101,7 +101,7 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='liaisonstatement',
             name='state',
-            field=ietf.utils.models.ForeignKey(default=b'pending', on_delete=django.db.models.deletion.CASCADE, to='name.LiaisonStatementState'),
+            field=ietf.utils.models.ForeignKey(default='pending', on_delete=django.db.models.deletion.CASCADE, to='name.LiaisonStatementState'),
         ),
         migrations.AddField(
             model_name='liaisonstatement',
diff --git a/ietf/mailinglists/migrations/0001_initial.py b/ietf/mailinglists/migrations/0001_initial.py
index c127e7621..0ddb625a0 100644
--- a/ietf/mailinglists/migrations/0001_initial.py
+++ b/ietf/mailinglists/migrations/0001_initial.py
@@ -46,7 +46,7 @@ class Migration(migrations.Migration):
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                 ('time', models.DateTimeField(auto_now_add=True)),
-                ('email', models.CharField(max_length=64, validators=[django.core.validators.EmailValidator()], verbose_name=b'Email address')),
+                ('email', models.CharField(max_length=64, validators=[django.core.validators.EmailValidator()], verbose_name='Email address')),
                 ('by', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='person.Person')),
             ],
             options={
diff --git a/ietf/meeting/migrations/0001_initial.py b/ietf/meeting/migrations/0001_initial.py
index 5d8910e68..c8f5aa48d 100644
--- a/ietf/meeting/migrations/0001_initial.py
+++ b/ietf/meeting/migrations/0001_initial.py
@@ -39,7 +39,7 @@ class Migration(migrations.Migration):
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                 ('name', models.CharField(max_length=255)),
-                ('short', models.CharField(default=b'', max_length=2)),
+                ('short', models.CharField(default='', max_length=2)),
                 ('time', models.DateTimeField(default=datetime.datetime.now)),
                 ('order', models.SmallIntegerField()),
                 ('image', models.ImageField(blank=True, default=None, storage=ietf.utils.storage.NoLocationMigrationFileSystemStorage(location=None), upload_to=ietf.meeting.models.floorplan_path)),
@@ -61,25 +61,25 @@ class Migration(migrations.Migration):
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                 ('number', models.CharField(max_length=64, unique=True)),
                 ('date', models.DateField()),
-                ('days', models.IntegerField(default=7, help_text=b'The number of days the meeting lasts', validators=[django.core.validators.MinValueValidator(1)])),
+                ('days', models.IntegerField(default=7, help_text='The number of days the meeting lasts', validators=[django.core.validators.MinValueValidator(1)])),
                 ('city', models.CharField(blank=True, max_length=255)),
-                ('country', models.CharField(blank=True, choices=[(b'', b''), ('AF', 'Afghanistan'), ('AL', 'Albania'), ('DZ', 'Algeria'), ('AD', 'Andorra'), ('AO', 'Angola'), ('AI', 'Anguilla'), ('AQ', 'Antarctica'), ('AG', 'Antigua & Barbuda'), ('AR', 'Argentina'), ('AM', 'Armenia'), ('AW', 'Aruba'), ('AU', 'Australia'), ('AT', 'Austria'), ('AZ', 'Azerbaijan'), ('BS', 'Bahamas'), ('BH', 'Bahrain'), ('BD', 'Bangladesh'), ('BB', 'Barbados'), ('BY', 'Belarus'), ('BE', 'Belgium'), ('BZ', 'Belize'), ('BJ', 'Benin'), ('BM', 'Bermuda'), ('BT', 'Bhutan'), ('BO', 'Bolivia'), ('BA', 'Bosnia & Herzegovina'), ('BW', 'Botswana'), ('BV', 'Bouvet Island'), ('BR', 'Brazil'), ('GB', 'Britain (UK)'), ('IO', 'British Indian Ocean Territory'), ('BN', 'Brunei'), ('BG', 'Bulgaria'), ('BF', 'Burkina Faso'), ('BI', 'Burundi'), ('KH', 'Cambodia'), ('CM', 'Cameroon'), ('CA', 'Canada'), ('CV', 'Cape Verde'), ('BQ', 'Caribbean NL'), ('KY', 'Cayman Islands'), ('CF', 'Central African Rep.'), ('TD', 'Chad'), ('CL', 'Chile'), ('CN', 'China'), ('CX', 'Christmas Island'), ('CC', 'Cocos (Keeling) Islands'), ('CO', 'Colombia'), ('KM', 'Comoros'), ('CD', 'Congo (Dem. Rep.)'), ('CG', 'Congo (Rep.)'), ('CK', 'Cook Islands'), ('CR', 'Costa Rica'), ('HR', 'Croatia'), ('CU', 'Cuba'), ('CW', 'Cura\xe7ao'), ('CY', 'Cyprus'), ('CZ', 'Czech Republic'), ('CI', "C\xf4te d'Ivoire"), ('DK', 'Denmark'), ('DJ', 'Djibouti'), ('DM', 'Dominica'), ('DO', 'Dominican Republic'), ('TL', 'East Timor'), ('EC', 'Ecuador'), ('EG', 'Egypt'), ('SV', 'El Salvador'), ('GQ', 'Equatorial Guinea'), ('ER', 'Eritrea'), ('EE', 'Estonia'), ('ET', 'Ethiopia'), ('FK', 'Falkland Islands'), ('FO', 'Faroe Islands'), ('FJ', 'Fiji'), ('FI', 'Finland'), ('FR', 'France'), ('GF', 'French Guiana'), ('PF', 'French Polynesia'), ('TF', 'French Southern & Antarctic Lands'), ('GA', 'Gabon'), ('GM', 'Gambia'), ('GE', 'Georgia'), ('DE', 'Germany'), ('GH', 'Ghana'), ('GI', 'Gibraltar'), ('GR', 'Greece'), ('GL', 'Greenland'), ('GD', 'Grenada'), ('GP', 'Guadeloupe'), ('GU', 'Guam'), ('GT', 'Guatemala'), ('GG', 'Guernsey'), ('GN', 'Guinea'), ('GW', 'Guinea-Bissau'), ('GY', 'Guyana'), ('HT', 'Haiti'), ('HM', 'Heard Island & McDonald Islands'), ('HN', 'Honduras'), ('HK', 'Hong Kong'), ('HU', 'Hungary'), ('IS', 'Iceland'), ('IN', 'India'), ('ID', 'Indonesia'), ('IR', 'Iran'), ('IQ', 'Iraq'), ('IE', 'Ireland'), ('IM', 'Isle of Man'), ('IL', 'Israel'), ('IT', 'Italy'), ('JM', 'Jamaica'), ('JP', 'Japan'), ('JE', 'Jersey'), ('JO', 'Jordan'), ('KZ', 'Kazakhstan'), ('KE', 'Kenya'), ('KI', 'Kiribati'), ('KP', 'Korea (North)'), ('KR', 'Korea (South)'), ('KW', 'Kuwait'), ('KG', 'Kyrgyzstan'), ('LA', 'Laos'), ('LV', 'Latvia'), ('LB', 'Lebanon'), ('LS', 'Lesotho'), ('LR', 'Liberia'), ('LY', 'Libya'), ('LI', 'Liechtenstein'), ('LT', 'Lithuania'), ('LU', 'Luxembourg'), ('MO', 'Macau'), ('MK', 'Macedonia'), ('MG', 'Madagascar'), ('MW', 'Malawi'), ('MY', 'Malaysia'), ('MV', 'Maldives'), ('ML', 'Mali'), ('MT', 'Malta'), ('MH', 'Marshall Islands'), ('MQ', 'Martinique'), ('MR', 'Mauritania'), ('MU', 'Mauritius'), ('YT', 'Mayotte'), ('MX', 'Mexico'), ('FM', 'Micronesia'), ('MD', 'Moldova'), ('MC', 'Monaco'), ('MN', 'Mongolia'), ('ME', 'Montenegro'), ('MS', 'Montserrat'), ('MA', 'Morocco'), ('MZ', 'Mozambique'), ('MM', 'Myanmar (Burma)'), ('NA', 'Namibia'), ('NR', 'Nauru'), ('NP', 'Nepal'), ('NL', 'Netherlands'), ('NC', 'New Caledonia'), ('NZ', 'New Zealand'), ('NI', 'Nicaragua'), ('NE', 'Niger'), ('NG', 'Nigeria'), ('NU', 'Niue'), ('NF', 'Norfolk Island'), ('MP', 'Northern Mariana Islands'), ('NO', 'Norway'), ('OM', 'Oman'), ('PK', 'Pakistan'), ('PW', 'Palau'), ('PS', 'Palestine'), ('PA', 'Panama'), ('PG', 'Papua New Guinea'), ('PY', 'Paraguay'), ('PE', 'Peru'), ('PH', 'Philippines'), ('PN', 'Pitcairn'), ('PL', 'Poland'), ('PT', 'Portugal'), ('PR', 'Puerto Rico'), ('QA', 'Qatar'), ('RO', 'Romania'), ('RU', 'Russia'), ('RW', 'Rwanda'), ('RE', 'R\xe9union'), ('AS', 'Samoa (American)'), ('WS', 'Samoa (western)'), ('SM', 'San Marino'), ('ST', 'Sao Tome & Principe'), ('SA', 'Saudi Arabia'), ('SN', 'Senegal'), ('RS', 'Serbia'), ('SC', 'Seychelles'), ('SL', 'Sierra Leone'), ('SG', 'Singapore'), ('SK', 'Slovakia'), ('SI', 'Slovenia'), ('SB', 'Solomon Islands'), ('SO', 'Somalia'), ('ZA', 'South Africa'), ('GS', 'South Georgia & the South Sandwich Islands'), ('SS', 'South Sudan'), ('ES', 'Spain'), ('LK', 'Sri Lanka'), ('BL', 'St Barthelemy'), ('SH', 'St Helena'), ('KN', 'St Kitts & Nevis'), ('LC', 'St Lucia'), ('SX', 'St Maarten (Dutch)'), ('MF', 'St Martin (French)'), ('PM', 'St Pierre & Miquelon'), ('VC', 'St Vincent'), ('SD', 'Sudan'), ('SR', 'Suriname'), ('SJ', 'Svalbard & Jan Mayen'), ('SZ', 'Swaziland'), ('SE', 'Sweden'), ('CH', 'Switzerland'), ('SY', 'Syria'), ('TW', 'Taiwan'), ('TJ', 'Tajikistan'), ('TZ', 'Tanzania'), ('TH', 'Thailand'), ('TG', 'Togo'), ('TK', 'Tokelau'), ('TO', 'Tonga'), ('TT', 'Trinidad & Tobago'), ('TN', 'Tunisia'), ('TR', 'Turkey'), ('TM', 'Turkmenistan'), ('TC', 'Turks & Caicos Is'), ('TV', 'Tuvalu'), ('UM', 'US minor outlying islands'), ('UG', 'Uganda'), ('UA', 'Ukraine'), ('AE', 'United Arab Emirates'), ('US', 'United States'), ('UY', 'Uruguay'), ('UZ', 'Uzbekistan'), ('VU', 'Vanuatu'), ('VA', 'Vatican City'), ('VE', 'Venezuela'), ('VN', 'Vietnam'), ('VG', 'Virgin Islands (UK)'), ('VI', 'Virgin Islands (US)'), ('WF', 'Wallis & Futuna'), ('EH', 'Western Sahara'), ('YE', 'Yemen'), ('ZM', 'Zambia'), ('ZW', 'Zimbabwe'), ('AX', '\xc5land Islands')], max_length=2)),
-                ('time_zone', models.CharField(blank=True, choices=[(b'', b'---------'), (b'Africa/Abidjan', b'Africa/Abidjan'), (b'Africa/Accra', b'Africa/Accra'), (b'Africa/Addis_Ababa', b'Africa/Addis_Ababa'), (b'Africa/Algiers', b'Africa/Algiers'), (b'Africa/Asmara', b'Africa/Asmara'), (b'Africa/Bamako', b'Africa/Bamako'), (b'Africa/Bangui', b'Africa/Bangui'), (b'Africa/Banjul', b'Africa/Banjul'), (b'Africa/Bissau', b'Africa/Bissau'), (b'Africa/Blantyre', b'Africa/Blantyre'), (b'Africa/Brazzaville', b'Africa/Brazzaville'), (b'Africa/Bujumbura', b'Africa/Bujumbura'), (b'Africa/Cairo', b'Africa/Cairo'), (b'Africa/Casablanca', b'Africa/Casablanca'), (b'Africa/Ceuta', b'Africa/Ceuta'), (b'Africa/Conakry', b'Africa/Conakry'), (b'Africa/Dakar', b'Africa/Dakar'), (b'Africa/Dar_es_Salaam', b'Africa/Dar_es_Salaam'), (b'Africa/Djibouti', b'Africa/Djibouti'), (b'Africa/Douala', b'Africa/Douala'), (b'Africa/El_Aaiun', b'Africa/El_Aaiun'), (b'Africa/Freetown', b'Africa/Freetown'), (b'Africa/Gaborone', b'Africa/Gaborone'), (b'Africa/Harare', b'Africa/Harare'), (b'Africa/Johannesburg', b'Africa/Johannesburg'), (b'Africa/Juba', b'Africa/Juba'), (b'Africa/Kampala', b'Africa/Kampala'), (b'Africa/Khartoum', b'Africa/Khartoum'), (b'Africa/Kigali', b'Africa/Kigali'), (b'Africa/Kinshasa', b'Africa/Kinshasa'), (b'Africa/Lagos', b'Africa/Lagos'), (b'Africa/Libreville', b'Africa/Libreville'), (b'Africa/Lome', b'Africa/Lome'), (b'Africa/Luanda', b'Africa/Luanda'), (b'Africa/Lubumbashi', b'Africa/Lubumbashi'), (b'Africa/Lusaka', b'Africa/Lusaka'), (b'Africa/Malabo', b'Africa/Malabo'), (b'Africa/Maputo', b'Africa/Maputo'), (b'Africa/Maseru', b'Africa/Maseru'), (b'Africa/Mbabane', b'Africa/Mbabane'), (b'Africa/Mogadishu', b'Africa/Mogadishu'), (b'Africa/Monrovia', b'Africa/Monrovia'), (b'Africa/Nairobi', b'Africa/Nairobi'), (b'Africa/Ndjamena', b'Africa/Ndjamena'), (b'Africa/Niamey', b'Africa/Niamey'), (b'Africa/Nouakchott', b'Africa/Nouakchott'), (b'Africa/Ouagadougou', b'Africa/Ouagadougou'), (b'Africa/Porto-Novo', b'Africa/Porto-Novo'), (b'Africa/Sao_Tome', b'Africa/Sao_Tome'), (b'Africa/Tripoli', b'Africa/Tripoli'), (b'Africa/Tunis', b'Africa/Tunis'), (b'Africa/Windhoek', b'Africa/Windhoek'), (b'America/Adak', b'America/Adak'), (b'America/Anchorage', b'America/Anchorage'), (b'America/Anguilla', b'America/Anguilla'), (b'America/Antigua', b'America/Antigua'), (b'America/Araguaina', b'America/Araguaina'), (b'America/Argentina/Buenos_Aires', b'America/Argentina/Buenos_Aires'), (b'America/Argentina/Catamarca', b'America/Argentina/Catamarca'), (b'America/Argentina/Cordoba', b'America/Argentina/Cordoba'), (b'America/Argentina/Jujuy', b'America/Argentina/Jujuy'), (b'America/Argentina/La_Rioja', b'America/Argentina/La_Rioja'), (b'America/Argentina/Mendoza', b'America/Argentina/Mendoza'), (b'America/Argentina/Rio_Gallegos', b'America/Argentina/Rio_Gallegos'), (b'America/Argentina/Salta', b'America/Argentina/Salta'), (b'America/Argentina/San_Juan', b'America/Argentina/San_Juan'), (b'America/Argentina/San_Luis', b'America/Argentina/San_Luis'), (b'America/Argentina/Tucuman', b'America/Argentina/Tucuman'), (b'America/Argentina/Ushuaia', b'America/Argentina/Ushuaia'), (b'America/Aruba', b'America/Aruba'), (b'America/Asuncion', b'America/Asuncion'), (b'America/Atikokan', b'America/Atikokan'), (b'America/Bahia', b'America/Bahia'), (b'America/Bahia_Banderas', b'America/Bahia_Banderas'), (b'America/Barbados', b'America/Barbados'), (b'America/Belem', b'America/Belem'), (b'America/Belize', b'America/Belize'), (b'America/Blanc-Sablon', b'America/Blanc-Sablon'), (b'America/Boa_Vista', b'America/Boa_Vista'), (b'America/Bogota', b'America/Bogota'), (b'America/Boise', b'America/Boise'), (b'America/Cambridge_Bay', b'America/Cambridge_Bay'), (b'America/Campo_Grande', b'America/Campo_Grande'), (b'America/Cancun', b'America/Cancun'), (b'America/Caracas', b'America/Caracas'), (b'America/Cayenne', b'America/Cayenne'), (b'America/Cayman', b'America/Cayman'), (b'America/Chicago', b'America/Chicago'), (b'America/Chihuahua', b'America/Chihuahua'), (b'America/Costa_Rica', b'America/Costa_Rica'), (b'America/Creston', b'America/Creston'), (b'America/Cuiaba', b'America/Cuiaba'), (b'America/Curacao', b'America/Curacao'), (b'America/Danmarkshavn', b'America/Danmarkshavn'), (b'America/Dawson', b'America/Dawson'), (b'America/Dawson_Creek', b'America/Dawson_Creek'), (b'America/Denver', b'America/Denver'), (b'America/Detroit', b'America/Detroit'), (b'America/Dominica', b'America/Dominica'), (b'America/Edmonton', b'America/Edmonton'), (b'America/Eirunepe', b'America/Eirunepe'), (b'America/El_Salvador', b'America/El_Salvador'), (b'America/Fort_Nelson', b'America/Fort_Nelson'), (b'America/Fortaleza', b'America/Fortaleza'), (b'America/Glace_Bay', b'America/Glace_Bay'), (b'America/Godthab', b'America/Godthab'), (b'America/Goose_Bay', b'America/Goose_Bay'), (b'America/Grand_Turk', b'America/Grand_Turk'), (b'America/Grenada', b'America/Grenada'), (b'America/Guadeloupe', b'America/Guadeloupe'), (b'America/Guatemala', b'America/Guatemala'), (b'America/Guayaquil', b'America/Guayaquil'), (b'America/Guyana', b'America/Guyana'), (b'America/Halifax', b'America/Halifax'), (b'America/Havana', b'America/Havana'), (b'America/Hermosillo', b'America/Hermosillo'), (b'America/Indiana/Indianapolis', b'America/Indiana/Indianapolis'), (b'America/Indiana/Knox', b'America/Indiana/Knox'), (b'America/Indiana/Marengo', b'America/Indiana/Marengo'), (b'America/Indiana/Petersburg', b'America/Indiana/Petersburg'), (b'America/Indiana/Tell_City', b'America/Indiana/Tell_City'), (b'America/Indiana/Vevay', b'America/Indiana/Vevay'), (b'America/Indiana/Vincennes', b'America/Indiana/Vincennes'), (b'America/Indiana/Winamac', b'America/Indiana/Winamac'), (b'America/Inuvik', b'America/Inuvik'), (b'America/Iqaluit', b'America/Iqaluit'), (b'America/Jamaica', b'America/Jamaica'), (b'America/Juneau', b'America/Juneau'), (b'America/Kentucky/Louisville', b'America/Kentucky/Louisville'), (b'America/Kentucky/Monticello', b'America/Kentucky/Monticello'), (b'America/Kralendijk', b'America/Kralendijk'), (b'America/La_Paz', b'America/La_Paz'), (b'America/Lima', b'America/Lima'), (b'America/Los_Angeles', b'America/Los_Angeles'), (b'America/Lower_Princes', b'America/Lower_Princes'), (b'America/Maceio', b'America/Maceio'), (b'America/Managua', b'America/Managua'), (b'America/Manaus', b'America/Manaus'), (b'America/Marigot', b'America/Marigot'), (b'America/Martinique', b'America/Martinique'), (b'America/Matamoros', b'America/Matamoros'), (b'America/Mazatlan', b'America/Mazatlan'), (b'America/Menominee', b'America/Menominee'), (b'America/Merida', b'America/Merida'), (b'America/Metlakatla', b'America/Metlakatla'), (b'America/Mexico_City', b'America/Mexico_City'), (b'America/Miquelon', b'America/Miquelon'), (b'America/Moncton', b'America/Moncton'), (b'America/Monterrey', b'America/Monterrey'), (b'America/Montevideo', b'America/Montevideo'), (b'America/Montserrat', b'America/Montserrat'), (b'America/Nassau', b'America/Nassau'), (b'America/New_York', b'America/New_York'), (b'America/Nipigon', b'America/Nipigon'), (b'America/Nome', b'America/Nome'), (b'America/Noronha', b'America/Noronha'), (b'America/North_Dakota/Beulah', b'America/North_Dakota/Beulah'), (b'America/North_Dakota/Center', b'America/North_Dakota/Center'), (b'America/North_Dakota/New_Salem', b'America/North_Dakota/New_Salem'), (b'America/Ojinaga', b'America/Ojinaga'), (b'America/Panama', b'America/Panama'), (b'America/Pangnirtung', b'America/Pangnirtung'), (b'America/Paramaribo', b'America/Paramaribo'), (b'America/Phoenix', b'America/Phoenix'), (b'America/Port-au-Prince', b'America/Port-au-Prince'), (b'America/Port_of_Spain', b'America/Port_of_Spain'), (b'America/Porto_Velho', b'America/Porto_Velho'), (b'America/Puerto_Rico', b'America/Puerto_Rico'), (b'America/Punta_Arenas', b'America/Punta_Arenas'), (b'America/Rainy_River', b'America/Rainy_River'), (b'America/Rankin_Inlet', b'America/Rankin_Inlet'), (b'America/Recife', b'America/Recife'), (b'America/Regina', b'America/Regina'), (b'America/Resolute', b'America/Resolute'), (b'America/Rio_Branco', b'America/Rio_Branco'), (b'America/Santarem', b'America/Santarem'), (b'America/Santiago', b'America/Santiago'), (b'America/Santo_Domingo', b'America/Santo_Domingo'), (b'America/Sao_Paulo', b'America/Sao_Paulo'), (b'America/Scoresbysund', b'America/Scoresbysund'), (b'America/Sitka', b'America/Sitka'), (b'America/St_Barthelemy', b'America/St_Barthelemy'), (b'America/St_Johns', b'America/St_Johns'), (b'America/St_Kitts', b'America/St_Kitts'), (b'America/St_Lucia', b'America/St_Lucia'), (b'America/St_Thomas', b'America/St_Thomas'), (b'America/St_Vincent', b'America/St_Vincent'), (b'America/Swift_Current', b'America/Swift_Current'), (b'America/Tegucigalpa', b'America/Tegucigalpa'), (b'America/Thule', b'America/Thule'), (b'America/Thunder_Bay', b'America/Thunder_Bay'), (b'America/Tijuana', b'America/Tijuana'), (b'America/Toronto', b'America/Toronto'), (b'America/Tortola', b'America/Tortola'), (b'America/Vancouver', b'America/Vancouver'), (b'America/Whitehorse', b'America/Whitehorse'), (b'America/Winnipeg', b'America/Winnipeg'), (b'America/Yakutat', b'America/Yakutat'), (b'America/Yellowknife', b'America/Yellowknife'), (b'Antarctica/Casey', b'Antarctica/Casey'), (b'Antarctica/Davis', b'Antarctica/Davis'), (b'Antarctica/DumontDUrville', b'Antarctica/DumontDUrville'), (b'Antarctica/Macquarie', b'Antarctica/Macquarie'), (b'Antarctica/Mawson', b'Antarctica/Mawson'), (b'Antarctica/McMurdo', b'Antarctica/McMurdo'), (b'Antarctica/Palmer', b'Antarctica/Palmer'), (b'Antarctica/Rothera', b'Antarctica/Rothera'), (b'Antarctica/Syowa', b'Antarctica/Syowa'), (b'Antarctica/Troll', b'Antarctica/Troll'), (b'Antarctica/Vostok', b'Antarctica/Vostok'), (b'Arctic/Longyearbyen', b'Arctic/Longyearbyen'), (b'Asia/Aden', b'Asia/Aden'), (b'Asia/Almaty', b'Asia/Almaty'), (b'Asia/Amman', b'Asia/Amman'), (b'Asia/Anadyr', b'Asia/Anadyr'), (b'Asia/Aqtau', b'Asia/Aqtau'), (b'Asia/Aqtobe', b'Asia/Aqtobe'), (b'Asia/Ashgabat', b'Asia/Ashgabat'), (b'Asia/Atyrau', b'Asia/Atyrau'), (b'Asia/Baghdad', b'Asia/Baghdad'), (b'Asia/Bahrain', b'Asia/Bahrain'), (b'Asia/Baku', b'Asia/Baku'), (b'Asia/Bangkok', b'Asia/Bangkok'), (b'Asia/Barnaul', b'Asia/Barnaul'), (b'Asia/Beirut', b'Asia/Beirut'), (b'Asia/Bishkek', b'Asia/Bishkek'), (b'Asia/Brunei', b'Asia/Brunei'), (b'Asia/Chita', b'Asia/Chita'), (b'Asia/Choibalsan', b'Asia/Choibalsan'), (b'Asia/Colombo', b'Asia/Colombo'), (b'Asia/Damascus', b'Asia/Damascus'), (b'Asia/Dhaka', b'Asia/Dhaka'), (b'Asia/Dili', b'Asia/Dili'), (b'Asia/Dubai', b'Asia/Dubai'), (b'Asia/Dushanbe', b'Asia/Dushanbe'), (b'Asia/Famagusta', b'Asia/Famagusta'), (b'Asia/Gaza', b'Asia/Gaza'), (b'Asia/Hebron', b'Asia/Hebron'), (b'Asia/Ho_Chi_Minh', b'Asia/Ho_Chi_Minh'), (b'Asia/Hong_Kong', b'Asia/Hong_Kong'), (b'Asia/Hovd', b'Asia/Hovd'), (b'Asia/Irkutsk', b'Asia/Irkutsk'), (b'Asia/Jakarta', b'Asia/Jakarta'), (b'Asia/Jayapura', b'Asia/Jayapura'), (b'Asia/Jerusalem', b'Asia/Jerusalem'), (b'Asia/Kabul', b'Asia/Kabul'), (b'Asia/Kamchatka', b'Asia/Kamchatka'), (b'Asia/Karachi', b'Asia/Karachi'), (b'Asia/Kathmandu', b'Asia/Kathmandu'), (b'Asia/Khandyga', b'Asia/Khandyga'), (b'Asia/Kolkata', b'Asia/Kolkata'), (b'Asia/Krasnoyarsk', b'Asia/Krasnoyarsk'), (b'Asia/Kuala_Lumpur', b'Asia/Kuala_Lumpur'), (b'Asia/Kuching', b'Asia/Kuching'), (b'Asia/Kuwait', b'Asia/Kuwait'), (b'Asia/Macau', b'Asia/Macau'), (b'Asia/Magadan', b'Asia/Magadan'), (b'Asia/Makassar', b'Asia/Makassar'), (b'Asia/Manila', b'Asia/Manila'), (b'Asia/Muscat', b'Asia/Muscat'), (b'Asia/Nicosia', b'Asia/Nicosia'), (b'Asia/Novokuznetsk', b'Asia/Novokuznetsk'), (b'Asia/Novosibirsk', b'Asia/Novosibirsk'), (b'Asia/Omsk', b'Asia/Omsk'), (b'Asia/Oral', b'Asia/Oral'), (b'Asia/Phnom_Penh', b'Asia/Phnom_Penh'), (b'Asia/Pontianak', b'Asia/Pontianak'), (b'Asia/Pyongyang', b'Asia/Pyongyang'), (b'Asia/Qatar', b'Asia/Qatar'), (b'Asia/Qyzylorda', b'Asia/Qyzylorda'), (b'Asia/Riyadh', b'Asia/Riyadh'), (b'Asia/Sakhalin', b'Asia/Sakhalin'), (b'Asia/Samarkand', b'Asia/Samarkand'), (b'Asia/Seoul', b'Asia/Seoul'), (b'Asia/Shanghai', b'Asia/Shanghai'), (b'Asia/Singapore', b'Asia/Singapore'), (b'Asia/Srednekolymsk', b'Asia/Srednekolymsk'), (b'Asia/Taipei', b'Asia/Taipei'), (b'Asia/Tashkent', b'Asia/Tashkent'), (b'Asia/Tbilisi', b'Asia/Tbilisi'), (b'Asia/Tehran', b'Asia/Tehran'), (b'Asia/Thimphu', b'Asia/Thimphu'), (b'Asia/Tokyo', b'Asia/Tokyo'), (b'Asia/Tomsk', b'Asia/Tomsk'), (b'Asia/Ulaanbaatar', b'Asia/Ulaanbaatar'), (b'Asia/Urumqi', b'Asia/Urumqi'), (b'Asia/Ust-Nera', b'Asia/Ust-Nera'), (b'Asia/Vientiane', b'Asia/Vientiane'), (b'Asia/Vladivostok', b'Asia/Vladivostok'), (b'Asia/Yakutsk', b'Asia/Yakutsk'), (b'Asia/Yangon', b'Asia/Yangon'), (b'Asia/Yekaterinburg', b'Asia/Yekaterinburg'), (b'Asia/Yerevan', b'Asia/Yerevan'), (b'Atlantic/Azores', b'Atlantic/Azores'), (b'Atlantic/Bermuda', b'Atlantic/Bermuda'), (b'Atlantic/Canary', b'Atlantic/Canary'), (b'Atlantic/Cape_Verde', b'Atlantic/Cape_Verde'), (b'Atlantic/Faroe', b'Atlantic/Faroe'), (b'Atlantic/Madeira', b'Atlantic/Madeira'), (b'Atlantic/Reykjavik', b'Atlantic/Reykjavik'), (b'Atlantic/South_Georgia', b'Atlantic/South_Georgia'), (b'Atlantic/St_Helena', b'Atlantic/St_Helena'), (b'Atlantic/Stanley', b'Atlantic/Stanley'), (b'Australia/Adelaide', b'Australia/Adelaide'), (b'Australia/Brisbane', b'Australia/Brisbane'), (b'Australia/Broken_Hill', b'Australia/Broken_Hill'), (b'Australia/Currie', b'Australia/Currie'), (b'Australia/Darwin', b'Australia/Darwin'), (b'Australia/Eucla', b'Australia/Eucla'), (b'Australia/Hobart', b'Australia/Hobart'), (b'Australia/Lindeman', b'Australia/Lindeman'), (b'Australia/Lord_Howe', b'Australia/Lord_Howe'), (b'Australia/Melbourne', b'Australia/Melbourne'), (b'Australia/Perth', b'Australia/Perth'), (b'Australia/Sydney', b'Australia/Sydney'), (b'Canada/Atlantic', b'Canada/Atlantic'), (b'Canada/Central', b'Canada/Central'), (b'Canada/Eastern', b'Canada/Eastern'), (b'Canada/Mountain', b'Canada/Mountain'), (b'Canada/Newfoundland', b'Canada/Newfoundland'), (b'Canada/Pacific', b'Canada/Pacific'), (b'Europe/Amsterdam', b'Europe/Amsterdam'), (b'Europe/Andorra', b'Europe/Andorra'), (b'Europe/Astrakhan', b'Europe/Astrakhan'), (b'Europe/Athens', b'Europe/Athens'), (b'Europe/Belgrade', b'Europe/Belgrade'), (b'Europe/Berlin', b'Europe/Berlin'), (b'Europe/Bratislava', b'Europe/Bratislava'), (b'Europe/Brussels', b'Europe/Brussels'), (b'Europe/Bucharest', b'Europe/Bucharest'), (b'Europe/Budapest', b'Europe/Budapest'), (b'Europe/Busingen', b'Europe/Busingen'), (b'Europe/Chisinau', b'Europe/Chisinau'), (b'Europe/Copenhagen', b'Europe/Copenhagen'), (b'Europe/Dublin', b'Europe/Dublin'), (b'Europe/Gibraltar', b'Europe/Gibraltar'), (b'Europe/Guernsey', b'Europe/Guernsey'), (b'Europe/Helsinki', b'Europe/Helsinki'), (b'Europe/Isle_of_Man', b'Europe/Isle_of_Man'), (b'Europe/Istanbul', b'Europe/Istanbul'), (b'Europe/Jersey', b'Europe/Jersey'), (b'Europe/Kaliningrad', b'Europe/Kaliningrad'), (b'Europe/Kiev', b'Europe/Kiev'), (b'Europe/Kirov', b'Europe/Kirov'), (b'Europe/Lisbon', b'Europe/Lisbon'), (b'Europe/Ljubljana', b'Europe/Ljubljana'), (b'Europe/London', b'Europe/London'), (b'Europe/Luxembourg', b'Europe/Luxembourg'), (b'Europe/Madrid', b'Europe/Madrid'), (b'Europe/Malta', b'Europe/Malta'), (b'Europe/Mariehamn', b'Europe/Mariehamn'), (b'Europe/Minsk', b'Europe/Minsk'), (b'Europe/Monaco', b'Europe/Monaco'), (b'Europe/Moscow', b'Europe/Moscow'), (b'Europe/Oslo', b'Europe/Oslo'), (b'Europe/Paris', b'Europe/Paris'), (b'Europe/Podgorica', b'Europe/Podgorica'), (b'Europe/Prague', b'Europe/Prague'), (b'Europe/Riga', b'Europe/Riga'), (b'Europe/Rome', b'Europe/Rome'), (b'Europe/Samara', b'Europe/Samara'), (b'Europe/San_Marino', b'Europe/San_Marino'), (b'Europe/Sarajevo', b'Europe/Sarajevo'), (b'Europe/Saratov', b'Europe/Saratov'), (b'Europe/Simferopol', b'Europe/Simferopol'), (b'Europe/Skopje', b'Europe/Skopje'), (b'Europe/Sofia', b'Europe/Sofia'), (b'Europe/Stockholm', b'Europe/Stockholm'), (b'Europe/Tallinn', b'Europe/Tallinn'), (b'Europe/Tirane', b'Europe/Tirane'), (b'Europe/Ulyanovsk', b'Europe/Ulyanovsk'), (b'Europe/Uzhgorod', b'Europe/Uzhgorod'), (b'Europe/Vaduz', b'Europe/Vaduz'), (b'Europe/Vatican', b'Europe/Vatican'), (b'Europe/Vienna', b'Europe/Vienna'), (b'Europe/Vilnius', b'Europe/Vilnius'), (b'Europe/Volgograd', b'Europe/Volgograd'), (b'Europe/Warsaw', b'Europe/Warsaw'), (b'Europe/Zagreb', b'Europe/Zagreb'), (b'Europe/Zaporozhye', b'Europe/Zaporozhye'), (b'Europe/Zurich', b'Europe/Zurich'), (b'GMT', b'GMT'), (b'Indian/Antananarivo', b'Indian/Antananarivo'), (b'Indian/Chagos', b'Indian/Chagos'), (b'Indian/Christmas', b'Indian/Christmas'), (b'Indian/Cocos', b'Indian/Cocos'), (b'Indian/Comoro', b'Indian/Comoro'), (b'Indian/Kerguelen', b'Indian/Kerguelen'), (b'Indian/Mahe', b'Indian/Mahe'), (b'Indian/Maldives', b'Indian/Maldives'), (b'Indian/Mauritius', b'Indian/Mauritius'), (b'Indian/Mayotte', b'Indian/Mayotte'), (b'Indian/Reunion', b'Indian/Reunion'), (b'Pacific/Apia', b'Pacific/Apia'), (b'Pacific/Auckland', b'Pacific/Auckland'), (b'Pacific/Bougainville', b'Pacific/Bougainville'), (b'Pacific/Chatham', b'Pacific/Chatham'), (b'Pacific/Chuuk', b'Pacific/Chuuk'), (b'Pacific/Easter', b'Pacific/Easter'), (b'Pacific/Efate', b'Pacific/Efate'), (b'Pacific/Enderbury', b'Pacific/Enderbury'), (b'Pacific/Fakaofo', b'Pacific/Fakaofo'), (b'Pacific/Fiji', b'Pacific/Fiji'), (b'Pacific/Funafuti', b'Pacific/Funafuti'), (b'Pacific/Galapagos', b'Pacific/Galapagos'), (b'Pacific/Gambier', b'Pacific/Gambier'), (b'Pacific/Guadalcanal', b'Pacific/Guadalcanal'), (b'Pacific/Guam', b'Pacific/Guam'), (b'Pacific/Honolulu', b'Pacific/Honolulu'), (b'Pacific/Kiritimati', b'Pacific/Kiritimati'), (b'Pacific/Kosrae', b'Pacific/Kosrae'), (b'Pacific/Kwajalein', b'Pacific/Kwajalein'), (b'Pacific/Majuro', b'Pacific/Majuro'), (b'Pacific/Marquesas', b'Pacific/Marquesas'), (b'Pacific/Midway', b'Pacific/Midway'), (b'Pacific/Nauru', b'Pacific/Nauru'), (b'Pacific/Niue', b'Pacific/Niue'), (b'Pacific/Norfolk', b'Pacific/Norfolk'), (b'Pacific/Noumea', b'Pacific/Noumea'), (b'Pacific/Pago_Pago', b'Pacific/Pago_Pago'), (b'Pacific/Palau', b'Pacific/Palau'), (b'Pacific/Pitcairn', b'Pacific/Pitcairn'), (b'Pacific/Pohnpei', b'Pacific/Pohnpei'), (b'Pacific/Port_Moresby', b'Pacific/Port_Moresby'), (b'Pacific/Rarotonga', b'Pacific/Rarotonga'), (b'Pacific/Saipan', b'Pacific/Saipan'), (b'Pacific/Tahiti', b'Pacific/Tahiti'), (b'Pacific/Tarawa', b'Pacific/Tarawa'), (b'Pacific/Tongatapu', b'Pacific/Tongatapu'), (b'Pacific/Wake', b'Pacific/Wake'), (b'Pacific/Wallis', b'Pacific/Wallis'), (b'US/Alaska', b'US/Alaska'), (b'US/Arizona', b'US/Arizona'), (b'US/Central', b'US/Central'), (b'US/Eastern', b'US/Eastern'), (b'US/Hawaii', b'US/Hawaii'), (b'US/Mountain', b'US/Mountain'), (b'US/Pacific', b'US/Pacific'), (b'UTC', b'UTC')], max_length=255)),
-                ('idsubmit_cutoff_day_offset_00', models.IntegerField(blank=True, default=13, help_text=b'The number of days before the meeting start date when the submission of -00 drafts will be closed.')),
-                ('idsubmit_cutoff_day_offset_01', models.IntegerField(blank=True, default=13, help_text=b'The number of days before the meeting start date when the submission of -01 drafts etc. will be closed.')),
-                ('idsubmit_cutoff_time_utc', models.DurationField(blank=True, default=datetime.timedelta(0, 86399), help_text=b'The time of day (UTC) after which submission will be closed.  Use for example 23:59:59.')),
-                ('idsubmit_cutoff_warning_days', models.DurationField(blank=True, default=datetime.timedelta(21), help_text=b"How long before the 00 cutoff to start showing cutoff warnings.  Use for example '21' or '21 days'.")),
-                ('submission_start_day_offset', models.IntegerField(blank=True, default=90, help_text=b'The number of days before the meeting start date after which meeting materials will be accepted.')),
-                ('submission_cutoff_day_offset', models.IntegerField(blank=True, default=26, help_text=b'The number of days after the meeting start date in which new meeting materials will be accepted.')),
-                ('submission_correction_day_offset', models.IntegerField(blank=True, default=50, help_text=b'The number of days after the meeting start date in which updates to existing meeting materials will be accepted.')),
+                ('country', models.CharField(blank=True, choices=[('', ''), ('AF', 'Afghanistan'), ('AL', 'Albania'), ('DZ', 'Algeria'), ('AD', 'Andorra'), ('AO', 'Angola'), ('AI', 'Anguilla'), ('AQ', 'Antarctica'), ('AG', 'Antigua & Barbuda'), ('AR', 'Argentina'), ('AM', 'Armenia'), ('AW', 'Aruba'), ('AU', 'Australia'), ('AT', 'Austria'), ('AZ', 'Azerbaijan'), ('BS', 'Bahamas'), ('BH', 'Bahrain'), ('BD', 'Bangladesh'), ('B', 'Barbados'), ('BY', 'Belarus'), ('BE', 'Belgium'), ('BZ', 'Belize'), ('BJ', 'Benin'), ('BM', 'Bermuda'), ('BT', 'Bhutan'), ('BO', 'Bolivia'), ('BA', 'Bosnia & Herzegovina'), ('BW', 'Botswana'), ('BV', 'Bouvet Island'), ('BR', 'Brazil'), ('G', 'Britain (UK)'), ('IO', 'British Indian Ocean Territory'), ('BN', 'Brunei'), ('BG', 'Bulgaria'), ('BF', 'Burkina Faso'), ('BI', 'Burundi'), ('KH', 'Cambodia'), ('CM', 'Cameroon'), ('CA', 'Canada'), ('CV', 'Cape Verde'), ('BQ', 'Caribbean NL'), ('KY', 'Cayman Islands'), ('CF', 'Central African Rep.'), ('TD', 'Chad'), ('CL', 'Chile'), ('CN', 'China'), ('CX', 'Christmas Island'), ('CC', 'Cocos (Keeling) Islands'), ('CO', 'Colombia'), ('KM', 'Comoros'), ('CD', 'Congo (Dem. Rep.)'), ('CG', 'Congo (Rep.)'), ('CK', 'Cook Islands'), ('CR', 'Costa Rica'), ('HR', 'Croatia'), ('CU', 'Cuba'), ('CW', 'Cura\xe7ao'), ('CY', 'Cyprus'), ('CZ', 'Czech Republic'), ('CI', "C\xf4te d'Ivoire"), ('DK', 'Denmark'), ('DJ', 'Djibouti'), ('DM', 'Dominica'), ('DO', 'Dominican Republic'), ('TL', 'East Timor'), ('EC', 'Ecuador'), ('EG', 'Egypt'), ('SV', 'El Salvador'), ('GQ', 'Equatorial Guinea'), ('ER', 'Eritrea'), ('EE', 'Estonia'), ('ET', 'Ethiopia'), ('FK', 'Falkland Islands'), ('FO', 'Faroe Islands'), ('FJ', 'Fiji'), ('FI', 'Finland'), ('FR', 'France'), ('GF', 'French Guiana'), ('PF', 'French Polynesia'), ('TF', 'French Southern & Antarctic Lands'), ('GA', 'Gabon'), ('GM', 'Gambia'), ('GE', 'Georgia'), ('DE', 'Germany'), ('GH', 'Ghana'), ('GI', 'Gibraltar'), ('GR', 'Greece'), ('GL', 'Greenland'), ('GD', 'Grenada'), ('GP', 'Guadeloupe'), ('GU', 'Guam'), ('GT', 'Guatemala'), ('GG', 'Guernsey'), ('GN', 'Guinea'), ('GW', 'Guinea-Bissau'), ('GY', 'Guyana'), ('HT', 'Haiti'), ('HM', 'Heard Island & McDonald Islands'), ('HN', 'Honduras'), ('HK', 'Hong Kong'), ('HU', 'Hungary'), ('IS', 'Iceland'), ('IN', 'India'), ('ID', 'Indonesia'), ('IR', 'Iran'), ('IQ', 'Iraq'), ('IE', 'Ireland'), ('IM', 'Isle of Man'), ('IL', 'Israel'), ('IT', 'Italy'), ('JM', 'Jamaica'), ('JP', 'Japan'), ('JE', 'Jersey'), ('JO', 'Jordan'), ('KZ', 'Kazakhstan'), ('KE', 'Kenya'), ('KI', 'Kiribati'), ('KP', 'Korea (North)'), ('KR', 'Korea (South)'), ('KW', 'Kuwait'), ('KG', 'Kyrgyzstan'), ('LA', 'Laos'), ('LV', 'Latvia'), ('L', 'Lebanon'), ('LS', 'Lesotho'), ('LR', 'Liberia'), ('LY', 'Libya'), ('LI', 'Liechtenstein'), ('LT', 'Lithuania'), ('LU', 'Luxembourg'), ('MO', 'Macau'), ('MK', 'Macedonia'), ('MG', 'Madagascar'), ('MW', 'Malawi'), ('MY', 'Malaysia'), ('MV', 'Maldives'), ('ML', 'Mali'), ('MT', 'Malta'), ('MH', 'Marshall Islands'), ('MQ', 'Martinique'), ('MR', 'Mauritania'), ('MU', 'Mauritius'), ('YT', 'Mayotte'), ('MX', 'Mexico'), ('FM', 'Micronesia'), ('MD', 'Moldova'), ('MC', 'Monaco'), ('MN', 'Mongolia'), ('ME', 'Montenegro'), ('MS', 'Montserrat'), ('MA', 'Morocco'), ('MZ', 'Mozambique'), ('MM', 'Myanmar (Burma)'), ('NA', 'Namibia'), ('NR', 'Nauru'), ('NP', 'Nepal'), ('NL', 'Netherlands'), ('NC', 'New Caledonia'), ('NZ', 'New Zealand'), ('NI', 'Nicaragua'), ('NE', 'Niger'), ('NG', 'Nigeria'), ('NU', 'Niue'), ('NF', 'Norfolk Island'), ('MP', 'Northern Mariana Islands'), ('NO', 'Norway'), ('OM', 'Oman'), ('PK', 'Pakistan'), ('PW', 'Palau'), ('PS', 'Palestine'), ('PA', 'Panama'), ('PG', 'Papua New Guinea'), ('PY', 'Paraguay'), ('PE', 'Peru'), ('PH', 'Philippines'), ('PN', 'Pitcairn'), ('PL', 'Poland'), ('PT', 'Portugal'), ('PR', 'Puerto Rico'), ('QA', 'Qatar'), ('RO', 'Romania'), ('RU', 'Russia'), ('RW', 'Rwanda'), ('RE', 'R\xe9union'), ('AS', 'Samoa (American)'), ('WS', 'Samoa (western)'), ('SM', 'San Marino'), ('ST', 'Sao Tome & Principe'), ('SA', 'Saudi Arabia'), ('SN', 'Senegal'), ('RS', 'Serbia'), ('SC', 'Seychelles'), ('SL', 'Sierra Leone'), ('SG', 'Singapore'), ('SK', 'Slovakia'), ('SI', 'Slovenia'), ('S', 'Solomon Islands'), ('SO', 'Somalia'), ('ZA', 'South Africa'), ('GS', 'South Georgia & the South Sandwich Islands'), ('SS', 'South Sudan'), ('ES', 'Spain'), ('LK', 'Sri Lanka'), ('BL', 'St Barthelemy'), ('SH', 'St Helena'), ('KN', 'St Kitts & Nevis'), ('LC', 'St Lucia'), ('SX', 'St Maarten (Dutch)'), ('MF', 'St Martin (French)'), ('PM', 'St Pierre & Miquelon'), ('VC', 'St Vincent'), ('SD', 'Sudan'), ('SR', 'Suriname'), ('SJ', 'Svalbard & Jan Mayen'), ('SZ', 'Swaziland'), ('SE', 'Sweden'), ('CH', 'Switzerland'), ('SY', 'Syria'), ('TW', 'Taiwan'), ('TJ', 'Tajikistan'), ('TZ', 'Tanzania'), ('TH', 'Thailand'), ('TG', 'Togo'), ('TK', 'Tokelau'), ('TO', 'Tonga'), ('TT', 'Trinidad & Tobago'), ('TN', 'Tunisia'), ('TR', 'Turkey'), ('TM', 'Turkmenistan'), ('TC', 'Turks & Caicos Is'), ('TV', 'Tuvalu'), ('UM', 'US minor outlying islands'), ('UG', 'Uganda'), ('UA', 'Ukraine'), ('AE', 'United Arab Emirates'), ('US', 'United States'), ('UY', 'Uruguay'), ('UZ', 'Uzbekistan'), ('VU', 'Vanuatu'), ('VA', 'Vatican City'), ('VE', 'Venezuela'), ('VN', 'Vietnam'), ('VG', 'Virgin Islands (UK)'), ('VI', 'Virgin Islands (US)'), ('WF', 'Wallis & Futuna'), ('EH', 'Western Sahara'), ('YE', 'Yemen'), ('ZM', 'Zambia'), ('ZW', 'Zimbabwe'), ('AX', '\xc5land Islands')], max_length=2)),
+                ('time_zone', models.CharField(blank=True, choices=[('', '---------'), ('Africa/Abidjan', 'Africa/Abidjan'), ('Africa/Accra', 'Africa/Accra'), ('Africa/Addis_Ababa', 'Africa/Addis_Ababa'), ('Africa/Algiers', 'Africa/Algiers'), ('Africa/Asmara', 'Africa/Asmara'), ('Africa/Bamako', 'Africa/Bamako'), ('Africa/Bangui', 'Africa/Bangui'), ('Africa/Banjul', 'Africa/Banjul'), ('Africa/Bissau', 'Africa/Bissau'), ('Africa/Blantyre', 'Africa/Blantyre'), ('Africa/Brazzaville', 'Africa/Brazzaville'), ('Africa/Bujumbura', 'Africa/Bujumbura'), ('Africa/Cairo', 'Africa/Cairo'), ('Africa/Casablanca', 'Africa/Casablanca'), ('Africa/Ceuta', 'Africa/Ceuta'), ('Africa/Conakry', 'Africa/Conakry'), ('Africa/Dakar', 'Africa/Dakar'), ('Africa/Dar_es_Salaam', 'Africa/Dar_es_Salaam'), ('Africa/Djibouti', 'Africa/Djibouti'), ('Africa/Douala', 'Africa/Douala'), ('Africa/El_Aaiun', 'Africa/El_Aaiun'), ('Africa/Freetown', 'Africa/Freetown'), ('Africa/Gaborone', 'Africa/Gaborone'), ('Africa/Harare', 'Africa/Harare'), ('Africa/Johannesburg', 'Africa/Johannesburg'), ('Africa/Juba', 'Africa/Juba'), ('Africa/Kampala', 'Africa/Kampala'), ('Africa/Khartoum', 'Africa/Khartoum'), ('Africa/Kigali', 'Africa/Kigali'), ('Africa/Kinshasa', 'Africa/Kinshasa'), ('Africa/Lagos', 'Africa/Lagos'), ('Africa/Libreville', 'Africa/Libreville'), ('Africa/Lome', 'Africa/Lome'), ('Africa/Luanda', 'Africa/Luanda'), ('Africa/Lubumbashi', 'Africa/Lubumbashi'), ('Africa/Lusaka', 'Africa/Lusaka'), ('Africa/Malabo', 'Africa/Malabo'), ('Africa/Maputo', 'Africa/Maputo'), ('Africa/Maseru', 'Africa/Maseru'), ('Africa/Mbabane', 'Africa/Mbabane'), ('Africa/Mogadishu', 'Africa/Mogadishu'), ('Africa/Monrovia', 'Africa/Monrovia'), ('Africa/Nairobi', 'Africa/Nairobi'), ('Africa/Ndjamena', 'Africa/Ndjamena'), ('Africa/Niamey', 'Africa/Niamey'), ('Africa/Nouakchott', 'Africa/Nouakchott'), ('Africa/Ouagadougou', 'Africa/Ouagadougou'), ('Africa/Porto-Novo', 'Africa/Porto-Novo'), ('Africa/Sao_Tome', 'Africa/Sao_Tome'), ('Africa/Tripoli', 'Africa/Tripoli'), ('Africa/Tunis', 'Africa/Tunis'), ('Africa/Windhoek', 'Africa/Windhoek'), ('America/Adak', 'America/Adak'), ('America/Anchorage', 'America/Anchorage'), ('America/Anguilla', 'America/Anguilla'), ('America/Antigua', 'America/Antigua'), ('America/Araguaina', 'America/Araguaina'), ('America/Argentina/Buenos_Aires', 'America/Argentina/Buenos_Aires'), ('America/Argentina/Catamarca', 'America/Argentina/Catamarca'), ('America/Argentina/Cordoba', 'America/Argentina/Cordoba'), ('America/Argentina/Jujuy', 'America/Argentina/Jujuy'), ('America/Argentina/La_Rioja', 'America/Argentina/La_Rioja'), ('America/Argentina/Mendoza', 'America/Argentina/Mendoza'), ('America/Argentina/Rio_Gallegos', 'America/Argentina/Rio_Gallegos'), ('America/Argentina/Salta', 'America/Argentina/Salta'), ('America/Argentina/San_Juan', 'America/Argentina/San_Juan'), ('America/Argentina/San_Luis', 'America/Argentina/San_Luis'), ('America/Argentina/Tucuman', 'America/Argentina/Tucuman'), ('America/Argentina/Ushuaia', 'America/Argentina/Ushuaia'), ('America/Aruba', 'America/Aruba'), ('America/Asuncion', 'America/Asuncion'), ('America/Atikokan', 'America/Atikokan'), ('America/Bahia', 'America/Bahia'), ('America/Bahia_Banderas', 'America/Bahia_Banderas'), ('America/Barbados', 'America/Barbados'), ('America/Belem', 'America/Belem'), ('America/Belize', 'America/Belize'), ('America/Blanc-Sablon', 'America/Blanc-Sablon'), ('America/Boa_Vista', 'America/Boa_Vista'), ('America/Bogota', 'America/Bogota'), ('America/Boise', 'America/Boise'), ('America/Cambridge_Bay', 'America/Cambridge_Bay'), ('America/Campo_Grande', 'America/Campo_Grande'), ('America/Cancun', 'America/Cancun'), ('America/Caracas', 'America/Caracas'), ('America/Cayenne', 'America/Cayenne'), ('America/Cayman', 'America/Cayman'), ('America/Chicago', 'America/Chicago'), ('America/Chihuahua', 'America/Chihuahua'), ('America/Costa_Rica', 'America/Costa_Rica'), ('America/Creston', 'America/Creston'), ('America/Cuiaba', 'America/Cuiaba'), ('America/Curacao', 'America/Curacao'), ('America/Danmarkshavn', 'America/Danmarkshavn'), ('America/Dawson', 'America/Dawson'), ('America/Dawson_Creek', 'America/Dawson_Creek'), ('America/Denver', 'America/Denver'), ('America/Detroit', 'America/Detroit'), ('America/Dominica', 'America/Dominica'), ('America/Edmonton', 'America/Edmonton'), ('America/Eirunepe', 'America/Eirunepe'), ('America/El_Salvador', 'America/El_Salvador'), ('America/Fort_Nelson', 'America/Fort_Nelson'), ('America/Fortaleza', 'America/Fortaleza'), ('America/Glace_Bay', 'America/Glace_Bay'), ('America/Godtha', 'America/Godtha'), ('America/Goose_Bay', 'America/Goose_Bay'), ('America/Grand_Turk', 'America/Grand_Turk'), ('America/Grenada', 'America/Grenada'), ('America/Guadeloupe', 'America/Guadeloupe'), ('America/Guatemala', 'America/Guatemala'), ('America/Guayaquil', 'America/Guayaquil'), ('America/Guyana', 'America/Guyana'), ('America/Halifax', 'America/Halifax'), ('America/Havana', 'America/Havana'), ('America/Hermosillo', 'America/Hermosillo'), ('America/Indiana/Indianapolis', 'America/Indiana/Indianapolis'), ('America/Indiana/Knox', 'America/Indiana/Knox'), ('America/Indiana/Marengo', 'America/Indiana/Marengo'), ('America/Indiana/Petersburg', 'America/Indiana/Petersburg'), ('America/Indiana/Tell_City', 'America/Indiana/Tell_City'), ('America/Indiana/Vevay', 'America/Indiana/Vevay'), ('America/Indiana/Vincennes', 'America/Indiana/Vincennes'), ('America/Indiana/Winamac', 'America/Indiana/Winamac'), ('America/Inuvik', 'America/Inuvik'), ('America/Iqaluit', 'America/Iqaluit'), ('America/Jamaica', 'America/Jamaica'), ('America/Juneau', 'America/Juneau'), ('America/Kentucky/Louisville', 'America/Kentucky/Louisville'), ('America/Kentucky/Monticello', 'America/Kentucky/Monticello'), ('America/Kralendijk', 'America/Kralendijk'), ('America/La_Paz', 'America/La_Paz'), ('America/Lima', 'America/Lima'), ('America/Los_Angeles', 'America/Los_Angeles'), ('America/Lower_Princes', 'America/Lower_Princes'), ('America/Maceio', 'America/Maceio'), ('America/Managua', 'America/Managua'), ('America/Manaus', 'America/Manaus'), ('America/Marigot', 'America/Marigot'), ('America/Martinique', 'America/Martinique'), ('America/Matamoros', 'America/Matamoros'), ('America/Mazatlan', 'America/Mazatlan'), ('America/Menominee', 'America/Menominee'), ('America/Merida', 'America/Merida'), ('America/Metlakatla', 'America/Metlakatla'), ('America/Mexico_City', 'America/Mexico_City'), ('America/Miquelon', 'America/Miquelon'), ('America/Moncton', 'America/Moncton'), ('America/Monterrey', 'America/Monterrey'), ('America/Montevideo', 'America/Montevideo'), ('America/Montserrat', 'America/Montserrat'), ('America/Nassau', 'America/Nassau'), ('America/New_York', 'America/New_York'), ('America/Nipigon', 'America/Nipigon'), ('America/Nome', 'America/Nome'), ('America/Noronha', 'America/Noronha'), ('America/North_Dakota/Beulah', 'America/North_Dakota/Beulah'), ('America/North_Dakota/Center', 'America/North_Dakota/Center'), ('America/North_Dakota/New_Salem', 'America/North_Dakota/New_Salem'), ('America/Ojinaga', 'America/Ojinaga'), ('America/Panama', 'America/Panama'), ('America/Pangnirtung', 'America/Pangnirtung'), ('America/Paramaribo', 'America/Paramaribo'), ('America/Phoenix', 'America/Phoenix'), ('America/Port-au-Prince', 'America/Port-au-Prince'), ('America/Port_of_Spain', 'America/Port_of_Spain'), ('America/Porto_Velho', 'America/Porto_Velho'), ('America/Puerto_Rico', 'America/Puerto_Rico'), ('America/Punta_Arenas', 'America/Punta_Arenas'), ('America/Rainy_River', 'America/Rainy_River'), ('America/Rankin_Inlet', 'America/Rankin_Inlet'), ('America/Recife', 'America/Recife'), ('America/Regina', 'America/Regina'), ('America/Resolute', 'America/Resolute'), ('America/Rio_Branco', 'America/Rio_Branco'), ('America/Santarem', 'America/Santarem'), ('America/Santiago', 'America/Santiago'), ('America/Santo_Domingo', 'America/Santo_Domingo'), ('America/Sao_Paulo', 'America/Sao_Paulo'), ('America/Scoresbysund', 'America/Scoresbysund'), ('America/Sitka', 'America/Sitka'), ('America/St_Barthelemy', 'America/St_Barthelemy'), ('America/St_Johns', 'America/St_Johns'), ('America/St_Kitts', 'America/St_Kitts'), ('America/St_Lucia', 'America/St_Lucia'), ('America/St_Thomas', 'America/St_Thomas'), ('America/St_Vincent', 'America/St_Vincent'), ('America/Swift_Current', 'America/Swift_Current'), ('America/Tegucigalpa', 'America/Tegucigalpa'), ('America/Thule', 'America/Thule'), ('America/Thunder_Bay', 'America/Thunder_Bay'), ('America/Tijuana', 'America/Tijuana'), ('America/Toronto', 'America/Toronto'), ('America/Tortola', 'America/Tortola'), ('America/Vancouver', 'America/Vancouver'), ('America/Whitehorse', 'America/Whitehorse'), ('America/Winnipeg', 'America/Winnipeg'), ('America/Yakutat', 'America/Yakutat'), ('America/Yellowknife', 'America/Yellowknife'), ('Antarctica/Casey', 'Antarctica/Casey'), ('Antarctica/Davis', 'Antarctica/Davis'), ('Antarctica/DumontDUrville', 'Antarctica/DumontDUrville'), ('Antarctica/Macquarie', 'Antarctica/Macquarie'), ('Antarctica/Mawson', 'Antarctica/Mawson'), ('Antarctica/McMurdo', 'Antarctica/McMurdo'), ('Antarctica/Palmer', 'Antarctica/Palmer'), ('Antarctica/Rothera', 'Antarctica/Rothera'), ('Antarctica/Syowa', 'Antarctica/Syowa'), ('Antarctica/Troll', 'Antarctica/Troll'), ('Antarctica/Vostok', 'Antarctica/Vostok'), ('Arctic/Longyearbyen', 'Arctic/Longyearbyen'), ('Asia/Aden', 'Asia/Aden'), ('Asia/Almaty', 'Asia/Almaty'), ('Asia/Amman', 'Asia/Amman'), ('Asia/Anadyr', 'Asia/Anadyr'), ('Asia/Aqtau', 'Asia/Aqtau'), ('Asia/Aqtobe', 'Asia/Aqtobe'), ('Asia/Ashgabat', 'Asia/Ashgabat'), ('Asia/Atyrau', 'Asia/Atyrau'), ('Asia/Baghdad', 'Asia/Baghdad'), ('Asia/Bahrain', 'Asia/Bahrain'), ('Asia/Baku', 'Asia/Baku'), ('Asia/Bangkok', 'Asia/Bangkok'), ('Asia/Barnaul', 'Asia/Barnaul'), ('Asia/Beirut', 'Asia/Beirut'), ('Asia/Bishkek', 'Asia/Bishkek'), ('Asia/Brunei', 'Asia/Brunei'), ('Asia/Chita', 'Asia/Chita'), ('Asia/Choibalsan', 'Asia/Choibalsan'), ('Asia/Colombo', 'Asia/Colombo'), ('Asia/Damascus', 'Asia/Damascus'), ('Asia/Dhaka', 'Asia/Dhaka'), ('Asia/Dili', 'Asia/Dili'), ('Asia/Dubai', 'Asia/Dubai'), ('Asia/Dushanbe', 'Asia/Dushanbe'), ('Asia/Famagusta', 'Asia/Famagusta'), ('Asia/Gaza', 'Asia/Gaza'), ('Asia/Hebron', 'Asia/Hebron'), ('Asia/Ho_Chi_Minh', 'Asia/Ho_Chi_Minh'), ('Asia/Hong_Kong', 'Asia/Hong_Kong'), ('Asia/Hovd', 'Asia/Hovd'), ('Asia/Irkutsk', 'Asia/Irkutsk'), ('Asia/Jakarta', 'Asia/Jakarta'), ('Asia/Jayapura', 'Asia/Jayapura'), ('Asia/Jerusalem', 'Asia/Jerusalem'), ('Asia/Kabul', 'Asia/Kabul'), ('Asia/Kamchatka', 'Asia/Kamchatka'), ('Asia/Karachi', 'Asia/Karachi'), ('Asia/Kathmandu', 'Asia/Kathmandu'), ('Asia/Khandyga', 'Asia/Khandyga'), ('Asia/Kolkata', 'Asia/Kolkata'), ('Asia/Krasnoyarsk', 'Asia/Krasnoyarsk'), ('Asia/Kuala_Lumpur', 'Asia/Kuala_Lumpur'), ('Asia/Kuching', 'Asia/Kuching'), ('Asia/Kuwait', 'Asia/Kuwait'), ('Asia/Macau', 'Asia/Macau'), ('Asia/Magadan', 'Asia/Magadan'), ('Asia/Makassar', 'Asia/Makassar'), ('Asia/Manila', 'Asia/Manila'), ('Asia/Muscat', 'Asia/Muscat'), ('Asia/Nicosia', 'Asia/Nicosia'), ('Asia/Novokuznetsk', 'Asia/Novokuznetsk'), ('Asia/Novosibirsk', 'Asia/Novosibirsk'), ('Asia/Omsk', 'Asia/Omsk'), ('Asia/Oral', 'Asia/Oral'), ('Asia/Phnom_Penh', 'Asia/Phnom_Penh'), ('Asia/Pontianak', 'Asia/Pontianak'), ('Asia/Pyongyang', 'Asia/Pyongyang'), ('Asia/Qatar', 'Asia/Qatar'), ('Asia/Qyzylorda', 'Asia/Qyzylorda'), ('Asia/Riyadh', 'Asia/Riyadh'), ('Asia/Sakhalin', 'Asia/Sakhalin'), ('Asia/Samarkand', 'Asia/Samarkand'), ('Asia/Seoul', 'Asia/Seoul'), ('Asia/Shanghai', 'Asia/Shanghai'), ('Asia/Singapore', 'Asia/Singapore'), ('Asia/Srednekolymsk', 'Asia/Srednekolymsk'), ('Asia/Taipei', 'Asia/Taipei'), ('Asia/Tashkent', 'Asia/Tashkent'), ('Asia/Tbilisi', 'Asia/Tbilisi'), ('Asia/Tehran', 'Asia/Tehran'), ('Asia/Thimphu', 'Asia/Thimphu'), ('Asia/Tokyo', 'Asia/Tokyo'), ('Asia/Tomsk', 'Asia/Tomsk'), ('Asia/Ulaanbaatar', 'Asia/Ulaanbaatar'), ('Asia/Urumqi', 'Asia/Urumqi'), ('Asia/Ust-Nera', 'Asia/Ust-Nera'), ('Asia/Vientiane', 'Asia/Vientiane'), ('Asia/Vladivostok', 'Asia/Vladivostok'), ('Asia/Yakutsk', 'Asia/Yakutsk'), ('Asia/Yangon', 'Asia/Yangon'), ('Asia/Yekaterinburg', 'Asia/Yekaterinburg'), ('Asia/Yerevan', 'Asia/Yerevan'), ('Atlantic/Azores', 'Atlantic/Azores'), ('Atlantic/Bermuda', 'Atlantic/Bermuda'), ('Atlantic/Canary', 'Atlantic/Canary'), ('Atlantic/Cape_Verde', 'Atlantic/Cape_Verde'), ('Atlantic/Faroe', 'Atlantic/Faroe'), ('Atlantic/Madeira', 'Atlantic/Madeira'), ('Atlantic/Reykjavik', 'Atlantic/Reykjavik'), ('Atlantic/South_Georgia', 'Atlantic/South_Georgia'), ('Atlantic/St_Helena', 'Atlantic/St_Helena'), ('Atlantic/Stanley', 'Atlantic/Stanley'), ('Australia/Adelaide', 'Australia/Adelaide'), ('Australia/Brisbane', 'Australia/Brisbane'), ('Australia/Broken_Hill', 'Australia/Broken_Hill'), ('Australia/Currie', 'Australia/Currie'), ('Australia/Darwin', 'Australia/Darwin'), ('Australia/Eucla', 'Australia/Eucla'), ('Australia/Hobart', 'Australia/Hobart'), ('Australia/Lindeman', 'Australia/Lindeman'), ('Australia/Lord_Howe', 'Australia/Lord_Howe'), ('Australia/Melbourne', 'Australia/Melbourne'), ('Australia/Perth', 'Australia/Perth'), ('Australia/Sydney', 'Australia/Sydney'), ('Canada/Atlantic', 'Canada/Atlantic'), ('Canada/Central', 'Canada/Central'), ('Canada/Eastern', 'Canada/Eastern'), ('Canada/Mountain', 'Canada/Mountain'), ('Canada/Newfoundland', 'Canada/Newfoundland'), ('Canada/Pacific', 'Canada/Pacific'), ('Europe/Amsterdam', 'Europe/Amsterdam'), ('Europe/Andorra', 'Europe/Andorra'), ('Europe/Astrakhan', 'Europe/Astrakhan'), ('Europe/Athens', 'Europe/Athens'), ('Europe/Belgrade', 'Europe/Belgrade'), ('Europe/Berlin', 'Europe/Berlin'), ('Europe/Bratislava', 'Europe/Bratislava'), ('Europe/Brussels', 'Europe/Brussels'), ('Europe/Bucharest', 'Europe/Bucharest'), ('Europe/Budapest', 'Europe/Budapest'), ('Europe/Busingen', 'Europe/Busingen'), ('Europe/Chisinau', 'Europe/Chisinau'), ('Europe/Copenhagen', 'Europe/Copenhagen'), ('Europe/Dublin', 'Europe/Dublin'), ('Europe/Gibraltar', 'Europe/Gibraltar'), ('Europe/Guernsey', 'Europe/Guernsey'), ('Europe/Helsinki', 'Europe/Helsinki'), ('Europe/Isle_of_Man', 'Europe/Isle_of_Man'), ('Europe/Istanbul', 'Europe/Istanbul'), ('Europe/Jersey', 'Europe/Jersey'), ('Europe/Kaliningrad', 'Europe/Kaliningrad'), ('Europe/Kiev', 'Europe/Kiev'), ('Europe/Kirov', 'Europe/Kirov'), ('Europe/Lisbon', 'Europe/Lisbon'), ('Europe/Ljubljana', 'Europe/Ljubljana'), ('Europe/London', 'Europe/London'), ('Europe/Luxembourg', 'Europe/Luxembourg'), ('Europe/Madrid', 'Europe/Madrid'), ('Europe/Malta', 'Europe/Malta'), ('Europe/Mariehamn', 'Europe/Mariehamn'), ('Europe/Minsk', 'Europe/Minsk'), ('Europe/Monaco', 'Europe/Monaco'), ('Europe/Moscow', 'Europe/Moscow'), ('Europe/Oslo', 'Europe/Oslo'), ('Europe/Paris', 'Europe/Paris'), ('Europe/Podgorica', 'Europe/Podgorica'), ('Europe/Prague', 'Europe/Prague'), ('Europe/Riga', 'Europe/Riga'), ('Europe/Rome', 'Europe/Rome'), ('Europe/Samara', 'Europe/Samara'), ('Europe/San_Marino', 'Europe/San_Marino'), ('Europe/Sarajevo', 'Europe/Sarajevo'), ('Europe/Saratov', 'Europe/Saratov'), ('Europe/Simferopol', 'Europe/Simferopol'), ('Europe/Skopje', 'Europe/Skopje'), ('Europe/Sofia', 'Europe/Sofia'), ('Europe/Stockholm', 'Europe/Stockholm'), ('Europe/Tallinn', 'Europe/Tallinn'), ('Europe/Tirane', 'Europe/Tirane'), ('Europe/Ulyanovsk', 'Europe/Ulyanovsk'), ('Europe/Uzhgorod', 'Europe/Uzhgorod'), ('Europe/Vaduz', 'Europe/Vaduz'), ('Europe/Vatican', 'Europe/Vatican'), ('Europe/Vienna', 'Europe/Vienna'), ('Europe/Vilnius', 'Europe/Vilnius'), ('Europe/Volgograd', 'Europe/Volgograd'), ('Europe/Warsaw', 'Europe/Warsaw'), ('Europe/Zagre', 'Europe/Zagre'), ('Europe/Zaporozhye', 'Europe/Zaporozhye'), ('Europe/Zurich', 'Europe/Zurich'), ('GMT', 'GMT'), ('Indian/Antananarivo', 'Indian/Antananarivo'), ('Indian/Chagos', 'Indian/Chagos'), ('Indian/Christmas', 'Indian/Christmas'), ('Indian/Cocos', 'Indian/Cocos'), ('Indian/Comoro', 'Indian/Comoro'), ('Indian/Kerguelen', 'Indian/Kerguelen'), ('Indian/Mahe', 'Indian/Mahe'), ('Indian/Maldives', 'Indian/Maldives'), ('Indian/Mauritius', 'Indian/Mauritius'), ('Indian/Mayotte', 'Indian/Mayotte'), ('Indian/Reunion', 'Indian/Reunion'), ('Pacific/Apia', 'Pacific/Apia'), ('Pacific/Auckland', 'Pacific/Auckland'), ('Pacific/Bougainville', 'Pacific/Bougainville'), ('Pacific/Chatham', 'Pacific/Chatham'), ('Pacific/Chuuk', 'Pacific/Chuuk'), ('Pacific/Easter', 'Pacific/Easter'), ('Pacific/Efate', 'Pacific/Efate'), ('Pacific/Enderbury', 'Pacific/Enderbury'), ('Pacific/Fakaofo', 'Pacific/Fakaofo'), ('Pacific/Fiji', 'Pacific/Fiji'), ('Pacific/Funafuti', 'Pacific/Funafuti'), ('Pacific/Galapagos', 'Pacific/Galapagos'), ('Pacific/Gambier', 'Pacific/Gambier'), ('Pacific/Guadalcanal', 'Pacific/Guadalcanal'), ('Pacific/Guam', 'Pacific/Guam'), ('Pacific/Honolulu', 'Pacific/Honolulu'), ('Pacific/Kiritimati', 'Pacific/Kiritimati'), ('Pacific/Kosrae', 'Pacific/Kosrae'), ('Pacific/Kwajalein', 'Pacific/Kwajalein'), ('Pacific/Majuro', 'Pacific/Majuro'), ('Pacific/Marquesas', 'Pacific/Marquesas'), ('Pacific/Midway', 'Pacific/Midway'), ('Pacific/Nauru', 'Pacific/Nauru'), ('Pacific/Niue', 'Pacific/Niue'), ('Pacific/Norfolk', 'Pacific/Norfolk'), ('Pacific/Noumea', 'Pacific/Noumea'), ('Pacific/Pago_Pago', 'Pacific/Pago_Pago'), ('Pacific/Palau', 'Pacific/Palau'), ('Pacific/Pitcairn', 'Pacific/Pitcairn'), ('Pacific/Pohnpei', 'Pacific/Pohnpei'), ('Pacific/Port_Moresby', 'Pacific/Port_Moresby'), ('Pacific/Rarotonga', 'Pacific/Rarotonga'), ('Pacific/Saipan', 'Pacific/Saipan'), ('Pacific/Tahiti', 'Pacific/Tahiti'), ('Pacific/Tarawa', 'Pacific/Tarawa'), ('Pacific/Tongatapu', 'Pacific/Tongatapu'), ('Pacific/Wake', 'Pacific/Wake'), ('Pacific/Wallis', 'Pacific/Wallis'), ('US/Alaska', 'US/Alaska'), ('US/Arizona', 'US/Arizona'), ('US/Central', 'US/Central'), ('US/Eastern', 'US/Eastern'), ('US/Hawaii', 'US/Hawaii'), ('US/Mountain', 'US/Mountain'), ('US/Pacific', 'US/Pacific'), ('UTC', 'UTC')], max_length=255)),
+                ('idsubmit_cutoff_day_offset_00', models.IntegerField(blank=True, default=13, help_text='The number of days before the meeting start date when the submission of -00 drafts will be closed.')),
+                ('idsubmit_cutoff_day_offset_01', models.IntegerField(blank=True, default=13, help_text='The number of days before the meeting start date when the submission of -01 drafts etc. will be closed.')),
+                ('idsubmit_cutoff_time_utc', models.DurationField(blank=True, default=datetime.timedelta(0, 86399), help_text='The time of day (UTC) after which submission will be closed.  Use for example 23:59:59.')),
+                ('idsubmit_cutoff_warning_days', models.DurationField(blank=True, default=datetime.timedelta(21), help_text="How long before the 00 cutoff to start showing cutoff warnings.  Use for example '21' or '21 days'.")),
+                ('submission_start_day_offset', models.IntegerField(blank=True, default=90, help_text='The number of days before the meeting start date after which meeting materials will be accepted.')),
+                ('submission_cutoff_day_offset', models.IntegerField(blank=True, default=26, help_text='The number of days after the meeting start date in which new meeting materials will be accepted.')),
+                ('submission_correction_day_offset', models.IntegerField(blank=True, default=50, help_text='The number of days after the meeting start date in which updates to existing meeting materials will be accepted.')),
                 ('venue_name', models.CharField(blank=True, max_length=255)),
                 ('venue_addr', models.TextField(blank=True)),
                 ('break_area', models.CharField(blank=True, max_length=255)),
                 ('reg_area', models.CharField(blank=True, max_length=255)),
-                ('agenda_note', models.TextField(blank=True, help_text=b'Text in this field will be placed at the top of the html agenda page for the meeting.  HTML can be used, but will not be validated.')),
+                ('agenda_note', models.TextField(blank=True, help_text='Text in this field will be placed at the top of the html agenda page for the meeting.  HTML can be used, but will not be validated.')),
                 ('session_request_lock_message', models.CharField(blank=True, max_length=255)),
                 ('proceedings_final', models.BooleanField(default=False, help_text='Are the proceedings for this meeting complete?')),
-                ('acknowledgements', models.TextField(blank=True, help_text=b'Acknowledgements for use in meeting proceedings.  Use ReStructuredText markup.')),
+                ('acknowledgements', models.TextField(blank=True, help_text='Acknowledgements for use in meeting proceedings.  Use ReStructuredText markup.')),
                 ('show_important_dates', models.BooleanField(default=False)),
             ],
             options={
@@ -123,7 +123,7 @@ class Migration(migrations.Migration):
                 ('modified', models.DateTimeField(auto_now=True)),
                 ('notes', models.TextField(blank=True)),
                 ('badness', models.IntegerField(blank=True, default=0, null=True)),
-                ('pinned', models.BooleanField(default=False, help_text=b'Do not move session during automatic placement.')),
+                ('pinned', models.BooleanField(default=False, help_text='Do not move session during automatic placement.')),
                 ('extendedfrom', ietf.utils.models.ForeignKey(default=None, help_text='Timeslot this session is an extension of.', null=True, on_delete=django.db.models.deletion.CASCADE, to='meeting.SchedTimeSessAssignment')),
             ],
             options={
@@ -146,8 +146,8 @@ class Migration(migrations.Migration):
             name='Session',
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('name', models.CharField(blank=True, help_text=b'Name of session, in case the session has a purpose rather than just being a group meeting.', max_length=255)),
-                ('short', models.CharField(blank=True, help_text=b"Short version of 'name' above, for use in filenames.", max_length=32)),
+                ('name', models.CharField(blank=True, help_text='Name of session, in case the session has a purpose rather than just being a group meeting.', max_length=255)),
+                ('short', models.CharField(blank=True, help_text="Short version of 'name' above, for use in filenames.", max_length=32)),
                 ('attendees', models.IntegerField(blank=True, null=True)),
                 ('agenda_note', models.CharField(blank=True, max_length=255)),
                 ('requested', models.DateTimeField(default=datetime.datetime.now)),
@@ -163,7 +163,7 @@ class Migration(migrations.Migration):
             name='SessionPresentation',
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('rev', models.CharField(blank=True, max_length=16, null=True, verbose_name=b'revision')),
+                ('rev', models.CharField(blank=True, max_length=16, null=True, verbose_name='revision')),
                 ('order', models.PositiveSmallIntegerField(default=0)),
                 ('document', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='doc.Document')),
                 ('session', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='meeting.Session')),
@@ -180,7 +180,7 @@ class Migration(migrations.Migration):
                 ('name', models.CharField(max_length=255)),
                 ('time', models.DateTimeField()),
                 ('duration', models.DurationField(default=datetime.timedelta(0))),
-                ('show_location', models.BooleanField(default=True, help_text=b'Show location in agenda.')),
+                ('show_location', models.BooleanField(default=True, help_text='Show location in agenda.')),
                 ('modified', models.DateTimeField(auto_now=True)),
                 ('location', ietf.utils.models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='meeting.Room')),
                 ('meeting', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='meeting.Meeting')),
diff --git a/ietf/meeting/migrations/0002_auto_20180225_1207.py b/ietf/meeting/migrations/0002_auto_20180225_1207.py
index 981dcf831..55709244c 100644
--- a/ietf/meeting/migrations/0002_auto_20180225_1207.py
+++ b/ietf/meeting/migrations/0002_auto_20180225_1207.py
@@ -38,6 +38,6 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='floorplan',
             name='short',
-            field=models.CharField(default=b'', max_length=3),
+            field=models.CharField(default='', max_length=3),
         ),
     ]
diff --git a/ietf/meeting/migrations/0007_auto_20180716_1337.py b/ietf/meeting/migrations/0007_auto_20180716_1337.py
index b348d07cb..3079d4cf6 100644
--- a/ietf/meeting/migrations/0007_auto_20180716_1337.py
+++ b/ietf/meeting/migrations/0007_auto_20180716_1337.py
@@ -18,6 +18,6 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='meeting',
             name='time_zone',
-            field=models.CharField(blank=True, choices=[(b'', b'---------'), (b'Africa/Abidjan', b'Africa/Abidjan'), (b'Africa/Accra', b'Africa/Accra'), (b'Africa/Addis_Ababa', b'Africa/Addis_Ababa'), (b'Africa/Algiers', b'Africa/Algiers'), (b'Africa/Asmara', b'Africa/Asmara'), (b'Africa/Bamako', b'Africa/Bamako'), (b'Africa/Bangui', b'Africa/Bangui'), (b'Africa/Banjul', b'Africa/Banjul'), (b'Africa/Bissau', b'Africa/Bissau'), (b'Africa/Blantyre', b'Africa/Blantyre'), (b'Africa/Brazzaville', b'Africa/Brazzaville'), (b'Africa/Bujumbura', b'Africa/Bujumbura'), (b'Africa/Cairo', b'Africa/Cairo'), (b'Africa/Casablanca', b'Africa/Casablanca'), (b'Africa/Ceuta', b'Africa/Ceuta'), (b'Africa/Conakry', b'Africa/Conakry'), (b'Africa/Dakar', b'Africa/Dakar'), (b'Africa/Dar_es_Salaam', b'Africa/Dar_es_Salaam'), (b'Africa/Djibouti', b'Africa/Djibouti'), (b'Africa/Douala', b'Africa/Douala'), (b'Africa/El_Aaiun', b'Africa/El_Aaiun'), (b'Africa/Freetown', b'Africa/Freetown'), (b'Africa/Gaborone', b'Africa/Gaborone'), (b'Africa/Harare', b'Africa/Harare'), (b'Africa/Johannesburg', b'Africa/Johannesburg'), (b'Africa/Juba', b'Africa/Juba'), (b'Africa/Kampala', b'Africa/Kampala'), (b'Africa/Khartoum', b'Africa/Khartoum'), (b'Africa/Kigali', b'Africa/Kigali'), (b'Africa/Kinshasa', b'Africa/Kinshasa'), (b'Africa/Lagos', b'Africa/Lagos'), (b'Africa/Libreville', b'Africa/Libreville'), (b'Africa/Lome', b'Africa/Lome'), (b'Africa/Luanda', b'Africa/Luanda'), (b'Africa/Lubumbashi', b'Africa/Lubumbashi'), (b'Africa/Lusaka', b'Africa/Lusaka'), (b'Africa/Malabo', b'Africa/Malabo'), (b'Africa/Maputo', b'Africa/Maputo'), (b'Africa/Maseru', b'Africa/Maseru'), (b'Africa/Mbabane', b'Africa/Mbabane'), (b'Africa/Mogadishu', b'Africa/Mogadishu'), (b'Africa/Monrovia', b'Africa/Monrovia'), (b'Africa/Nairobi', b'Africa/Nairobi'), (b'Africa/Ndjamena', b'Africa/Ndjamena'), (b'Africa/Niamey', b'Africa/Niamey'), (b'Africa/Nouakchott', b'Africa/Nouakchott'), (b'Africa/Ouagadougou', b'Africa/Ouagadougou'), (b'Africa/Porto-Novo', b'Africa/Porto-Novo'), (b'Africa/Sao_Tome', b'Africa/Sao_Tome'), (b'Africa/Tripoli', b'Africa/Tripoli'), (b'Africa/Tunis', b'Africa/Tunis'), (b'Africa/Windhoek', b'Africa/Windhoek'), (b'America/Adak', b'America/Adak'), (b'America/Anchorage', b'America/Anchorage'), (b'America/Anguilla', b'America/Anguilla'), (b'America/Antigua', b'America/Antigua'), (b'America/Araguaina', b'America/Araguaina'), (b'America/Argentina/Buenos_Aires', b'America/Argentina/Buenos_Aires'), (b'America/Argentina/Catamarca', b'America/Argentina/Catamarca'), (b'America/Argentina/Cordoba', b'America/Argentina/Cordoba'), (b'America/Argentina/Jujuy', b'America/Argentina/Jujuy'), (b'America/Argentina/La_Rioja', b'America/Argentina/La_Rioja'), (b'America/Argentina/Mendoza', b'America/Argentina/Mendoza'), (b'America/Argentina/Rio_Gallegos', b'America/Argentina/Rio_Gallegos'), (b'America/Argentina/Salta', b'America/Argentina/Salta'), (b'America/Argentina/San_Juan', b'America/Argentina/San_Juan'), (b'America/Argentina/San_Luis', b'America/Argentina/San_Luis'), (b'America/Argentina/Tucuman', b'America/Argentina/Tucuman'), (b'America/Argentina/Ushuaia', b'America/Argentina/Ushuaia'), (b'America/Aruba', b'America/Aruba'), (b'America/Asuncion', b'America/Asuncion'), (b'America/Atikokan', b'America/Atikokan'), (b'America/Bahia', b'America/Bahia'), (b'America/Bahia_Banderas', b'America/Bahia_Banderas'), (b'America/Barbados', b'America/Barbados'), (b'America/Belem', b'America/Belem'), (b'America/Belize', b'America/Belize'), (b'America/Blanc-Sablon', b'America/Blanc-Sablon'), (b'America/Boa_Vista', b'America/Boa_Vista'), (b'America/Bogota', b'America/Bogota'), (b'America/Boise', b'America/Boise'), (b'America/Cambridge_Bay', b'America/Cambridge_Bay'), (b'America/Campo_Grande', b'America/Campo_Grande'), (b'America/Cancun', b'America/Cancun'), (b'America/Caracas', b'America/Caracas'), (b'America/Cayenne', b'America/Cayenne'), (b'America/Cayman', b'America/Cayman'), (b'America/Chicago', b'America/Chicago'), (b'America/Chihuahua', b'America/Chihuahua'), (b'America/Costa_Rica', b'America/Costa_Rica'), (b'America/Creston', b'America/Creston'), (b'America/Cuiaba', b'America/Cuiaba'), (b'America/Curacao', b'America/Curacao'), (b'America/Danmarkshavn', b'America/Danmarkshavn'), (b'America/Dawson', b'America/Dawson'), (b'America/Dawson_Creek', b'America/Dawson_Creek'), (b'America/Denver', b'America/Denver'), (b'America/Detroit', b'America/Detroit'), (b'America/Dominica', b'America/Dominica'), (b'America/Edmonton', b'America/Edmonton'), (b'America/Eirunepe', b'America/Eirunepe'), (b'America/El_Salvador', b'America/El_Salvador'), (b'America/Fort_Nelson', b'America/Fort_Nelson'), (b'America/Fortaleza', b'America/Fortaleza'), (b'America/Glace_Bay', b'America/Glace_Bay'), (b'America/Godthab', b'America/Godthab'), (b'America/Goose_Bay', b'America/Goose_Bay'), (b'America/Grand_Turk', b'America/Grand_Turk'), (b'America/Grenada', b'America/Grenada'), (b'America/Guadeloupe', b'America/Guadeloupe'), (b'America/Guatemala', b'America/Guatemala'), (b'America/Guayaquil', b'America/Guayaquil'), (b'America/Guyana', b'America/Guyana'), (b'America/Halifax', b'America/Halifax'), (b'America/Havana', b'America/Havana'), (b'America/Hermosillo', b'America/Hermosillo'), (b'America/Indiana/Indianapolis', b'America/Indiana/Indianapolis'), (b'America/Indiana/Knox', b'America/Indiana/Knox'), (b'America/Indiana/Marengo', b'America/Indiana/Marengo'), (b'America/Indiana/Petersburg', b'America/Indiana/Petersburg'), (b'America/Indiana/Tell_City', b'America/Indiana/Tell_City'), (b'America/Indiana/Vevay', b'America/Indiana/Vevay'), (b'America/Indiana/Vincennes', b'America/Indiana/Vincennes'), (b'America/Indiana/Winamac', b'America/Indiana/Winamac'), (b'America/Inuvik', b'America/Inuvik'), (b'America/Iqaluit', b'America/Iqaluit'), (b'America/Jamaica', b'America/Jamaica'), (b'America/Juneau', b'America/Juneau'), (b'America/Kentucky/Louisville', b'America/Kentucky/Louisville'), (b'America/Kentucky/Monticello', b'America/Kentucky/Monticello'), (b'America/La_Paz', b'America/La_Paz'), (b'America/Lima', b'America/Lima'), (b'America/Los_Angeles', b'America/Los_Angeles'), (b'America/Maceio', b'America/Maceio'), (b'America/Managua', b'America/Managua'), (b'America/Manaus', b'America/Manaus'), (b'America/Martinique', b'America/Martinique'), (b'America/Matamoros', b'America/Matamoros'), (b'America/Mazatlan', b'America/Mazatlan'), (b'America/Menominee', b'America/Menominee'), (b'America/Merida', b'America/Merida'), (b'America/Metlakatla', b'America/Metlakatla'), (b'America/Mexico_City', b'America/Mexico_City'), (b'America/Miquelon', b'America/Miquelon'), (b'America/Moncton', b'America/Moncton'), (b'America/Monterrey', b'America/Monterrey'), (b'America/Montevideo', b'America/Montevideo'), (b'America/Montserrat', b'America/Montserrat'), (b'America/Nassau', b'America/Nassau'), (b'America/New_York', b'America/New_York'), (b'America/Nipigon', b'America/Nipigon'), (b'America/Nome', b'America/Nome'), (b'America/Noronha', b'America/Noronha'), (b'America/North_Dakota/Beulah', b'America/North_Dakota/Beulah'), (b'America/North_Dakota/Center', b'America/North_Dakota/Center'), (b'America/North_Dakota/New_Salem', b'America/North_Dakota/New_Salem'), (b'America/Ojinaga', b'America/Ojinaga'), (b'America/Panama', b'America/Panama'), (b'America/Pangnirtung', b'America/Pangnirtung'), (b'America/Paramaribo', b'America/Paramaribo'), (b'America/Phoenix', b'America/Phoenix'), (b'America/Port-au-Prince', b'America/Port-au-Prince'), (b'America/Port_of_Spain', b'America/Port_of_Spain'), (b'America/Porto_Velho', b'America/Porto_Velho'), (b'America/Puerto_Rico', b'America/Puerto_Rico'), (b'America/Punta_Arenas', b'America/Punta_Arenas'), (b'America/Rainy_River', b'America/Rainy_River'), (b'America/Rankin_Inlet', b'America/Rankin_Inlet'), (b'America/Recife', b'America/Recife'), (b'America/Regina', b'America/Regina'), (b'America/Resolute', b'America/Resolute'), (b'America/Rio_Branco', b'America/Rio_Branco'), (b'America/Santarem', b'America/Santarem'), (b'America/Santiago', b'America/Santiago'), (b'America/Santo_Domingo', b'America/Santo_Domingo'), (b'America/Sao_Paulo', b'America/Sao_Paulo'), (b'America/Scoresbysund', b'America/Scoresbysund'), (b'America/Sitka', b'America/Sitka'), (b'America/St_Johns', b'America/St_Johns'), (b'America/St_Kitts', b'America/St_Kitts'), (b'America/St_Lucia', b'America/St_Lucia'), (b'America/St_Thomas', b'America/St_Thomas'), (b'America/St_Vincent', b'America/St_Vincent'), (b'America/Swift_Current', b'America/Swift_Current'), (b'America/Tegucigalpa', b'America/Tegucigalpa'), (b'America/Thule', b'America/Thule'), (b'America/Thunder_Bay', b'America/Thunder_Bay'), (b'America/Tijuana', b'America/Tijuana'), (b'America/Toronto', b'America/Toronto'), (b'America/Tortola', b'America/Tortola'), (b'America/Vancouver', b'America/Vancouver'), (b'America/Whitehorse', b'America/Whitehorse'), (b'America/Winnipeg', b'America/Winnipeg'), (b'America/Yakutat', b'America/Yakutat'), (b'America/Yellowknife', b'America/Yellowknife'), (b'Antarctica/Casey', b'Antarctica/Casey'), (b'Antarctica/Davis', b'Antarctica/Davis'), (b'Antarctica/DumontDUrville', b'Antarctica/DumontDUrville'), (b'Antarctica/Macquarie', b'Antarctica/Macquarie'), (b'Antarctica/Mawson', b'Antarctica/Mawson'), (b'Antarctica/McMurdo', b'Antarctica/McMurdo'), (b'Antarctica/Palmer', b'Antarctica/Palmer'), (b'Antarctica/Rothera', b'Antarctica/Rothera'), (b'Antarctica/Syowa', b'Antarctica/Syowa'), (b'Antarctica/Troll', b'Antarctica/Troll'), (b'Antarctica/Vostok', b'Antarctica/Vostok'), (b'Asia/Aden', b'Asia/Aden'), (b'Asia/Almaty', b'Asia/Almaty'), (b'Asia/Amman', b'Asia/Amman'), (b'Asia/Anadyr', b'Asia/Anadyr'), (b'Asia/Aqtau', b'Asia/Aqtau'), (b'Asia/Aqtobe', b'Asia/Aqtobe'), (b'Asia/Ashgabat', b'Asia/Ashgabat'), (b'Asia/Atyrau', b'Asia/Atyrau'), (b'Asia/Baghdad', b'Asia/Baghdad'), (b'Asia/Bahrain', b'Asia/Bahrain'), (b'Asia/Baku', b'Asia/Baku'), (b'Asia/Bangkok', b'Asia/Bangkok'), (b'Asia/Barnaul', b'Asia/Barnaul'), (b'Asia/Beirut', b'Asia/Beirut'), (b'Asia/Bishkek', b'Asia/Bishkek'), (b'Asia/Brunei', b'Asia/Brunei'), (b'Asia/Chita', b'Asia/Chita'), (b'Asia/Choibalsan', b'Asia/Choibalsan'), (b'Asia/Colombo', b'Asia/Colombo'), (b'Asia/Damascus', b'Asia/Damascus'), (b'Asia/Dhaka', b'Asia/Dhaka'), (b'Asia/Dili', b'Asia/Dili'), (b'Asia/Dubai', b'Asia/Dubai'), (b'Asia/Dushanbe', b'Asia/Dushanbe'), (b'Asia/Famagusta', b'Asia/Famagusta'), (b'Asia/Gaza', b'Asia/Gaza'), (b'Asia/Hebron', b'Asia/Hebron'), (b'Asia/Ho_Chi_Minh', b'Asia/Ho_Chi_Minh'), (b'Asia/Hong_Kong', b'Asia/Hong_Kong'), (b'Asia/Hovd', b'Asia/Hovd'), (b'Asia/Irkutsk', b'Asia/Irkutsk'), (b'Asia/Jakarta', b'Asia/Jakarta'), (b'Asia/Jayapura', b'Asia/Jayapura'), (b'Asia/Jerusalem', b'Asia/Jerusalem'), (b'Asia/Kabul', b'Asia/Kabul'), (b'Asia/Kamchatka', b'Asia/Kamchatka'), (b'Asia/Karachi', b'Asia/Karachi'), (b'Asia/Kathmandu', b'Asia/Kathmandu'), (b'Asia/Khandyga', b'Asia/Khandyga'), (b'Asia/Kolkata', b'Asia/Kolkata'), (b'Asia/Krasnoyarsk', b'Asia/Krasnoyarsk'), (b'Asia/Kuala_Lumpur', b'Asia/Kuala_Lumpur'), (b'Asia/Kuching', b'Asia/Kuching'), (b'Asia/Kuwait', b'Asia/Kuwait'), (b'Asia/Macau', b'Asia/Macau'), (b'Asia/Magadan', b'Asia/Magadan'), (b'Asia/Makassar', b'Asia/Makassar'), (b'Asia/Manila', b'Asia/Manila'), (b'Asia/Muscat', b'Asia/Muscat'), (b'Asia/Nicosia', b'Asia/Nicosia'), (b'Asia/Novokuznetsk', b'Asia/Novokuznetsk'), (b'Asia/Novosibirsk', b'Asia/Novosibirsk'), (b'Asia/Omsk', b'Asia/Omsk'), (b'Asia/Oral', b'Asia/Oral'), (b'Asia/Phnom_Penh', b'Asia/Phnom_Penh'), (b'Asia/Pontianak', b'Asia/Pontianak'), (b'Asia/Pyongyang', b'Asia/Pyongyang'), (b'Asia/Qatar', b'Asia/Qatar'), (b'Asia/Qyzylorda', b'Asia/Qyzylorda'), (b'Asia/Riyadh', b'Asia/Riyadh'), (b'Asia/Sakhalin', b'Asia/Sakhalin'), (b'Asia/Samarkand', b'Asia/Samarkand'), (b'Asia/Seoul', b'Asia/Seoul'), (b'Asia/Shanghai', b'Asia/Shanghai'), (b'Asia/Singapore', b'Asia/Singapore'), (b'Asia/Srednekolymsk', b'Asia/Srednekolymsk'), (b'Asia/Taipei', b'Asia/Taipei'), (b'Asia/Tashkent', b'Asia/Tashkent'), (b'Asia/Tbilisi', b'Asia/Tbilisi'), (b'Asia/Tehran', b'Asia/Tehran'), (b'Asia/Thimphu', b'Asia/Thimphu'), (b'Asia/Tokyo', b'Asia/Tokyo'), (b'Asia/Tomsk', b'Asia/Tomsk'), (b'Asia/Ulaanbaatar', b'Asia/Ulaanbaatar'), (b'Asia/Urumqi', b'Asia/Urumqi'), (b'Asia/Ust-Nera', b'Asia/Ust-Nera'), (b'Asia/Vientiane', b'Asia/Vientiane'), (b'Asia/Vladivostok', b'Asia/Vladivostok'), (b'Asia/Yakutsk', b'Asia/Yakutsk'), (b'Asia/Yangon', b'Asia/Yangon'), (b'Asia/Yekaterinburg', b'Asia/Yekaterinburg'), (b'Asia/Yerevan', b'Asia/Yerevan'), (b'Atlantic/Azores', b'Atlantic/Azores'), (b'Atlantic/Bermuda', b'Atlantic/Bermuda'), (b'Atlantic/Canary', b'Atlantic/Canary'), (b'Atlantic/Cape_Verde', b'Atlantic/Cape_Verde'), (b'Atlantic/Faroe', b'Atlantic/Faroe'), (b'Atlantic/Madeira', b'Atlantic/Madeira'), (b'Atlantic/Reykjavik', b'Atlantic/Reykjavik'), (b'Atlantic/South_Georgia', b'Atlantic/South_Georgia'), (b'Atlantic/St_Helena', b'Atlantic/St_Helena'), (b'Atlantic/Stanley', b'Atlantic/Stanley'), (b'Australia/Adelaide', b'Australia/Adelaide'), (b'Australia/Brisbane', b'Australia/Brisbane'), (b'Australia/Broken_Hill', b'Australia/Broken_Hill'), (b'Australia/Currie', b'Australia/Currie'), (b'Australia/Darwin', b'Australia/Darwin'), (b'Australia/Eucla', b'Australia/Eucla'), (b'Australia/Hobart', b'Australia/Hobart'), (b'Australia/Lindeman', b'Australia/Lindeman'), (b'Australia/Lord_Howe', b'Australia/Lord_Howe'), (b'Australia/Melbourne', b'Australia/Melbourne'), (b'Australia/Perth', b'Australia/Perth'), (b'Australia/Sydney', b'Australia/Sydney'), (b'Europe/Amsterdam', b'Europe/Amsterdam'), (b'Europe/Andorra', b'Europe/Andorra'), (b'Europe/Astrakhan', b'Europe/Astrakhan'), (b'Europe/Athens', b'Europe/Athens'), (b'Europe/Belgrade', b'Europe/Belgrade'), (b'Europe/Berlin', b'Europe/Berlin'), (b'Europe/Brussels', b'Europe/Brussels'), 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b'Europe/Saratov'), (b'Europe/Simferopol', b'Europe/Simferopol'), (b'Europe/Sofia', b'Europe/Sofia'), (b'Europe/Stockholm', b'Europe/Stockholm'), (b'Europe/Tallinn', b'Europe/Tallinn'), (b'Europe/Tirane', b'Europe/Tirane'), (b'Europe/Ulyanovsk', b'Europe/Ulyanovsk'), (b'Europe/Uzhgorod', b'Europe/Uzhgorod'), (b'Europe/Vaduz', b'Europe/Vaduz'), (b'Europe/Vienna', b'Europe/Vienna'), (b'Europe/Vilnius', b'Europe/Vilnius'), (b'Europe/Volgograd', b'Europe/Volgograd'), (b'Europe/Warsaw', b'Europe/Warsaw'), (b'Europe/Zaporozhye', b'Europe/Zaporozhye'), (b'Europe/Zurich', b'Europe/Zurich'), (b'GMT', b'GMT'), (b'Indian/Antananarivo', b'Indian/Antananarivo'), (b'Indian/Chagos', b'Indian/Chagos'), (b'Indian/Christmas', b'Indian/Christmas'), (b'Indian/Cocos', b'Indian/Cocos'), (b'Indian/Comoro', b'Indian/Comoro'), (b'Indian/Kerguelen', b'Indian/Kerguelen'), (b'Indian/Mahe', b'Indian/Mahe'), (b'Indian/Maldives', b'Indian/Maldives'), (b'Indian/Mauritius', b'Indian/Mauritius'), (b'Indian/Mayotte', 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(b'Pacific/Nauru', b'Pacific/Nauru'), (b'Pacific/Niue', b'Pacific/Niue'), (b'Pacific/Norfolk', b'Pacific/Norfolk'), (b'Pacific/Noumea', b'Pacific/Noumea'), (b'Pacific/Pago_Pago', b'Pacific/Pago_Pago'), (b'Pacific/Palau', b'Pacific/Palau'), (b'Pacific/Pitcairn', b'Pacific/Pitcairn'), (b'Pacific/Pohnpei', b'Pacific/Pohnpei'), (b'Pacific/Port_Moresby', b'Pacific/Port_Moresby'), (b'Pacific/Rarotonga', b'Pacific/Rarotonga'), (b'Pacific/Saipan', b'Pacific/Saipan'), (b'Pacific/Tahiti', b'Pacific/Tahiti'), (b'Pacific/Tarawa', b'Pacific/Tarawa'), (b'Pacific/Tongatapu', b'Pacific/Tongatapu'), (b'Pacific/Wake', b'Pacific/Wake'), (b'Pacific/Wallis', b'Pacific/Wallis'), (b'UTC', b'UTC')], max_length=255),
+            field=models.CharField(blank=True, choices=[('', '---------'), ('Africa/Abidjan', 'Africa/Abidjan'), ('Africa/Accra', 'Africa/Accra'), ('Africa/Addis_Ababa', 'Africa/Addis_Ababa'), ('Africa/Algiers', 'Africa/Algiers'), ('Africa/Asmara', 'Africa/Asmara'), ('Africa/Bamako', 'Africa/Bamako'), ('Africa/Bangui', 'Africa/Bangui'), ('Africa/Banjul', 'Africa/Banjul'), ('Africa/Bissau', 'Africa/Bissau'), ('Africa/Blantyre', 'Africa/Blantyre'), ('Africa/Brazzaville', 'Africa/Brazzaville'), ('Africa/Bujumbura', 'Africa/Bujumbura'), ('Africa/Cairo', 'Africa/Cairo'), ('Africa/Casablanca', 'Africa/Casablanca'), ('Africa/Ceuta', 'Africa/Ceuta'), ('Africa/Conakry', 'Africa/Conakry'), ('Africa/Dakar', 'Africa/Dakar'), ('Africa/Dar_es_Salaam', 'Africa/Dar_es_Salaam'), ('Africa/Djibouti', 'Africa/Djibouti'), ('Africa/Douala', 'Africa/Douala'), ('Africa/El_Aaiun', 'Africa/El_Aaiun'), ('Africa/Freetown', 'Africa/Freetown'), ('Africa/Gaborone', 'Africa/Gaborone'), ('Africa/Harare', 'Africa/Harare'), ('Africa/Johannesburg', 'Africa/Johannesburg'), ('Africa/Juba', 'Africa/Juba'), ('Africa/Kampala', 'Africa/Kampala'), ('Africa/Khartoum', 'Africa/Khartoum'), ('Africa/Kigali', 'Africa/Kigali'), ('Africa/Kinshasa', 'Africa/Kinshasa'), ('Africa/Lagos', 'Africa/Lagos'), ('Africa/Libreville', 'Africa/Libreville'), ('Africa/Lome', 'Africa/Lome'), ('Africa/Luanda', 'Africa/Luanda'), ('Africa/Lubumbashi', 'Africa/Lubumbashi'), ('Africa/Lusaka', 'Africa/Lusaka'), ('Africa/Malabo', 'Africa/Malabo'), ('Africa/Maputo', 'Africa/Maputo'), ('Africa/Maseru', 'Africa/Maseru'), ('Africa/Mbabane', 'Africa/Mbabane'), ('Africa/Mogadishu', 'Africa/Mogadishu'), ('Africa/Monrovia', 'Africa/Monrovia'), ('Africa/Nairobi', 'Africa/Nairobi'), ('Africa/Ndjamena', 'Africa/Ndjamena'), ('Africa/Niamey', 'Africa/Niamey'), ('Africa/Nouakchott', 'Africa/Nouakchott'), ('Africa/Ouagadougou', 'Africa/Ouagadougou'), ('Africa/Porto-Novo', 'Africa/Porto-Novo'), ('Africa/Sao_Tome', 'Africa/Sao_Tome'), ('Africa/Tripoli', 'Africa/Tripoli'), ('Africa/Tunis', 'Africa/Tunis'), ('Africa/Windhoek', 'Africa/Windhoek'), ('America/Adak', 'America/Adak'), ('America/Anchorage', 'America/Anchorage'), ('America/Anguilla', 'America/Anguilla'), ('America/Antigua', 'America/Antigua'), ('America/Araguaina', 'America/Araguaina'), ('America/Argentina/Buenos_Aires', 'America/Argentina/Buenos_Aires'), ('America/Argentina/Catamarca', 'America/Argentina/Catamarca'), ('America/Argentina/Cordoba', 'America/Argentina/Cordoba'), ('America/Argentina/Jujuy', 'America/Argentina/Jujuy'), ('America/Argentina/La_Rioja', 'America/Argentina/La_Rioja'), ('America/Argentina/Mendoza', 'America/Argentina/Mendoza'), ('America/Argentina/Rio_Gallegos', 'America/Argentina/Rio_Gallegos'), ('America/Argentina/Salta', 'America/Argentina/Salta'), ('America/Argentina/San_Juan', 'America/Argentina/San_Juan'), ('America/Argentina/San_Luis', 'America/Argentina/San_Luis'), ('America/Argentina/Tucuman', 'America/Argentina/Tucuman'), ('America/Argentina/Ushuaia', 'America/Argentina/Ushuaia'), ('America/Aruba', 'America/Aruba'), ('America/Asuncion', 'America/Asuncion'), ('America/Atikokan', 'America/Atikokan'), ('America/Bahia', 'America/Bahia'), ('America/Bahia_Banderas', 'America/Bahia_Banderas'), ('America/Barbados', 'America/Barbados'), ('America/Belem', 'America/Belem'), ('America/Belize', 'America/Belize'), ('America/Blanc-Sablon', 'America/Blanc-Sablon'), ('America/Boa_Vista', 'America/Boa_Vista'), ('America/Bogota', 'America/Bogota'), ('America/Boise', 'America/Boise'), ('America/Cambridge_Bay', 'America/Cambridge_Bay'), ('America/Campo_Grande', 'America/Campo_Grande'), ('America/Cancun', 'America/Cancun'), ('America/Caracas', 'America/Caracas'), ('America/Cayenne', 'America/Cayenne'), ('America/Cayman', 'America/Cayman'), ('America/Chicago', 'America/Chicago'), ('America/Chihuahua', 'America/Chihuahua'), ('America/Costa_Rica', 'America/Costa_Rica'), ('America/Creston', 'America/Creston'), ('America/Cuiaba', 'America/Cuiaba'), ('America/Curacao', 'America/Curacao'), ('America/Danmarkshavn', 'America/Danmarkshavn'), ('America/Dawson', 'America/Dawson'), ('America/Dawson_Creek', 'America/Dawson_Creek'), ('America/Denver', 'America/Denver'), ('America/Detroit', 'America/Detroit'), ('America/Dominica', 'America/Dominica'), ('America/Edmonton', 'America/Edmonton'), ('America/Eirunepe', 'America/Eirunepe'), ('America/El_Salvador', 'America/El_Salvador'), ('America/Fort_Nelson', 'America/Fort_Nelson'), ('America/Fortaleza', 'America/Fortaleza'), ('America/Glace_Bay', 'America/Glace_Bay'), ('America/Godthab', 'America/Godthab'), ('America/Goose_Bay', 'America/Goose_Bay'), ('America/Grand_Turk', 'America/Grand_Turk'), ('America/Grenada', 'America/Grenada'), ('America/Guadeloupe', 'America/Guadeloupe'), ('America/Guatemala', 'America/Guatemala'), ('America/Guayaquil', 'America/Guayaquil'), ('America/Guyana', 'America/Guyana'), ('America/Halifax', 'America/Halifax'), ('America/Havana', 'America/Havana'), ('America/Hermosillo', 'America/Hermosillo'), ('America/Indiana/Indianapolis', 'America/Indiana/Indianapolis'), ('America/Indiana/Knox', 'America/Indiana/Knox'), ('America/Indiana/Marengo', 'America/Indiana/Marengo'), ('America/Indiana/Petersburg', 'America/Indiana/Petersburg'), ('America/Indiana/Tell_City', 'America/Indiana/Tell_City'), ('America/Indiana/Vevay', 'America/Indiana/Vevay'), ('America/Indiana/Vincennes', 'America/Indiana/Vincennes'), ('America/Indiana/Winamac', 'America/Indiana/Winamac'), ('America/Inuvik', 'America/Inuvik'), ('America/Iqaluit', 'America/Iqaluit'), ('America/Jamaica', 'America/Jamaica'), ('America/Juneau', 'America/Juneau'), ('America/Kentucky/Louisville', 'America/Kentucky/Louisville'), ('America/Kentucky/Monticello', 'America/Kentucky/Monticello'), ('America/La_Paz', 'America/La_Paz'), ('America/Lima', 'America/Lima'), ('America/Los_Angeles', 'America/Los_Angeles'), ('America/Maceio', 'America/Maceio'), ('America/Managua', 'America/Managua'), ('America/Manaus', 'America/Manaus'), ('America/Martinique', 'America/Martinique'), ('America/Matamoros', 'America/Matamoros'), ('America/Mazatlan', 'America/Mazatlan'), ('America/Menominee', 'America/Menominee'), ('America/Merida', 'America/Merida'), ('America/Metlakatla', 'America/Metlakatla'), ('America/Mexico_City', 'America/Mexico_City'), ('America/Miquelon', 'America/Miquelon'), ('America/Moncton', 'America/Moncton'), ('America/Monterrey', 'America/Monterrey'), ('America/Montevideo', 'America/Montevideo'), ('America/Montserrat', 'America/Montserrat'), ('America/Nassau', 'America/Nassau'), ('America/New_York', 'America/New_York'), ('America/Nipigon', 'America/Nipigon'), ('America/Nome', 'America/Nome'), ('America/Noronha', 'America/Noronha'), ('America/North_Dakota/Beulah', 'America/North_Dakota/Beulah'), ('America/North_Dakota/Center', 'America/North_Dakota/Center'), ('America/North_Dakota/New_Salem', 'America/North_Dakota/New_Salem'), ('America/Ojinaga', 'America/Ojinaga'), ('America/Panama', 'America/Panama'), ('America/Pangnirtung', 'America/Pangnirtung'), ('America/Paramaribo', 'America/Paramaribo'), ('America/Phoenix', 'America/Phoenix'), ('America/Port-au-Prince', 'America/Port-au-Prince'), ('America/Port_of_Spain', 'America/Port_of_Spain'), ('America/Porto_Velho', 'America/Porto_Velho'), ('America/Puerto_Rico', 'America/Puerto_Rico'), ('America/Punta_Arenas', 'America/Punta_Arenas'), ('America/Rainy_River', 'America/Rainy_River'), ('America/Rankin_Inlet', 'America/Rankin_Inlet'), ('America/Recife', 'America/Recife'), ('America/Regina', 'America/Regina'), ('America/Resolute', 'America/Resolute'), ('America/Rio_Branco', 'America/Rio_Branco'), ('America/Santarem', 'America/Santarem'), ('America/Santiago', 'America/Santiago'), ('America/Santo_Domingo', 'America/Santo_Domingo'), ('America/Sao_Paulo', 'America/Sao_Paulo'), ('America/Scoresbysund', 'America/Scoresbysund'), ('America/Sitka', 'America/Sitka'), ('America/St_Johns', 'America/St_Johns'), ('America/St_Kitts', 'America/St_Kitts'), ('America/St_Lucia', 'America/St_Lucia'), ('America/St_Thomas', 'America/St_Thomas'), ('America/St_Vincent', 'America/St_Vincent'), ('America/Swift_Current', 'America/Swift_Current'), ('America/Tegucigalpa', 'America/Tegucigalpa'), ('America/Thule', 'America/Thule'), ('America/Thunder_Bay', 'America/Thunder_Bay'), ('America/Tijuana', 'America/Tijuana'), ('America/Toronto', 'America/Toronto'), ('America/Tortola', 'America/Tortola'), ('America/Vancouver', 'America/Vancouver'), ('America/Whitehorse', 'America/Whitehorse'), ('America/Winnipeg', 'America/Winnipeg'), ('America/Yakutat', 'America/Yakutat'), ('America/Yellowknife', 'America/Yellowknife'), ('Antarctica/Casey', 'Antarctica/Casey'), ('Antarctica/Davis', 'Antarctica/Davis'), ('Antarctica/DumontDUrville', 'Antarctica/DumontDUrville'), ('Antarctica/Macquarie', 'Antarctica/Macquarie'), ('Antarctica/Mawson', 'Antarctica/Mawson'), ('Antarctica/McMurdo', 'Antarctica/McMurdo'), ('Antarctica/Palmer', 'Antarctica/Palmer'), ('Antarctica/Rothera', 'Antarctica/Rothera'), ('Antarctica/Syowa', 'Antarctica/Syowa'), ('Antarctica/Troll', 'Antarctica/Troll'), ('Antarctica/Vostok', 'Antarctica/Vostok'), ('Asia/Aden', 'Asia/Aden'), ('Asia/Almaty', 'Asia/Almaty'), ('Asia/Amman', 'Asia/Amman'), ('Asia/Anadyr', 'Asia/Anadyr'), ('Asia/Aqtau', 'Asia/Aqtau'), ('Asia/Aqtobe', 'Asia/Aqtobe'), ('Asia/Ashgabat', 'Asia/Ashgabat'), ('Asia/Atyrau', 'Asia/Atyrau'), ('Asia/Baghdad', 'Asia/Baghdad'), ('Asia/Bahrain', 'Asia/Bahrain'), ('Asia/Baku', 'Asia/Baku'), ('Asia/Bangkok', 'Asia/Bangkok'), ('Asia/Barnaul', 'Asia/Barnaul'), ('Asia/Beirut', 'Asia/Beirut'), ('Asia/Bishkek', 'Asia/Bishkek'), ('Asia/Brunei', 'Asia/Brunei'), ('Asia/Chita', 'Asia/Chita'), ('Asia/Choibalsan', 'Asia/Choibalsan'), ('Asia/Colombo', 'Asia/Colombo'), ('Asia/Damascus', 'Asia/Damascus'), ('Asia/Dhaka', 'Asia/Dhaka'), ('Asia/Dili', 'Asia/Dili'), ('Asia/Dubai', 'Asia/Dubai'), ('Asia/Dushanbe', 'Asia/Dushanbe'), ('Asia/Famagusta', 'Asia/Famagusta'), ('Asia/Gaza', 'Asia/Gaza'), ('Asia/Hebron', 'Asia/Hebron'), ('Asia/Ho_Chi_Minh', 'Asia/Ho_Chi_Minh'), ('Asia/Hong_Kong', 'Asia/Hong_Kong'), ('Asia/Hovd', 'Asia/Hovd'), ('Asia/Irkutsk', 'Asia/Irkutsk'), ('Asia/Jakarta', 'Asia/Jakarta'), ('Asia/Jayapura', 'Asia/Jayapura'), ('Asia/Jerusalem', 'Asia/Jerusalem'), ('Asia/Kabul', 'Asia/Kabul'), ('Asia/Kamchatka', 'Asia/Kamchatka'), ('Asia/Karachi', 'Asia/Karachi'), ('Asia/Kathmandu', 'Asia/Kathmandu'), ('Asia/Khandyga', 'Asia/Khandyga'), ('Asia/Kolkata', 'Asia/Kolkata'), ('Asia/Krasnoyarsk', 'Asia/Krasnoyarsk'), ('Asia/Kuala_Lumpur', 'Asia/Kuala_Lumpur'), ('Asia/Kuching', 'Asia/Kuching'), ('Asia/Kuwait', 'Asia/Kuwait'), ('Asia/Macau', 'Asia/Macau'), ('Asia/Magadan', 'Asia/Magadan'), ('Asia/Makassar', 'Asia/Makassar'), ('Asia/Manila', 'Asia/Manila'), ('Asia/Muscat', 'Asia/Muscat'), ('Asia/Nicosia', 'Asia/Nicosia'), ('Asia/Novokuznetsk', 'Asia/Novokuznetsk'), ('Asia/Novosibirsk', 'Asia/Novosibirsk'), ('Asia/Omsk', 'Asia/Omsk'), ('Asia/Oral', 'Asia/Oral'), ('Asia/Phnom_Penh', 'Asia/Phnom_Penh'), ('Asia/Pontianak', 'Asia/Pontianak'), ('Asia/Pyongyang', 'Asia/Pyongyang'), ('Asia/Qatar', 'Asia/Qatar'), ('Asia/Qyzylorda', 'Asia/Qyzylorda'), ('Asia/Riyadh', 'Asia/Riyadh'), ('Asia/Sakhalin', 'Asia/Sakhalin'), ('Asia/Samarkand', 'Asia/Samarkand'), ('Asia/Seoul', 'Asia/Seoul'), ('Asia/Shanghai', 'Asia/Shanghai'), ('Asia/Singapore', 'Asia/Singapore'), ('Asia/Srednekolymsk', 'Asia/Srednekolymsk'), ('Asia/Taipei', 'Asia/Taipei'), ('Asia/Tashkent', 'Asia/Tashkent'), ('Asia/Tbilisi', 'Asia/Tbilisi'), ('Asia/Tehran', 'Asia/Tehran'), ('Asia/Thimphu', 'Asia/Thimphu'), ('Asia/Tokyo', 'Asia/Tokyo'), ('Asia/Tomsk', 'Asia/Tomsk'), ('Asia/Ulaanbaatar', 'Asia/Ulaanbaatar'), ('Asia/Urumqi', 'Asia/Urumqi'), ('Asia/Ust-Nera', 'Asia/Ust-Nera'), ('Asia/Vientiane', 'Asia/Vientiane'), ('Asia/Vladivostok', 'Asia/Vladivostok'), ('Asia/Yakutsk', 'Asia/Yakutsk'), ('Asia/Yangon', 'Asia/Yangon'), ('Asia/Yekaterinburg', 'Asia/Yekaterinburg'), ('Asia/Yerevan', 'Asia/Yerevan'), ('Atlantic/Azores', 'Atlantic/Azores'), ('Atlantic/Bermuda', 'Atlantic/Bermuda'), ('Atlantic/Canary', 'Atlantic/Canary'), ('Atlantic/Cape_Verde', 'Atlantic/Cape_Verde'), ('Atlantic/Faroe', 'Atlantic/Faroe'), ('Atlantic/Madeira', 'Atlantic/Madeira'), ('Atlantic/Reykjavik', 'Atlantic/Reykjavik'), ('Atlantic/South_Georgia', 'Atlantic/South_Georgia'), ('Atlantic/St_Helena', 'Atlantic/St_Helena'), ('Atlantic/Stanley', 'Atlantic/Stanley'), ('Australia/Adelaide', 'Australia/Adelaide'), ('Australia/Brisbane', 'Australia/Brisbane'), ('Australia/Broken_Hill', 'Australia/Broken_Hill'), ('Australia/Currie', 'Australia/Currie'), ('Australia/Darwin', 'Australia/Darwin'), ('Australia/Eucla', 'Australia/Eucla'), ('Australia/Hobart', 'Australia/Hobart'), ('Australia/Lindeman', 'Australia/Lindeman'), ('Australia/Lord_Howe', 'Australia/Lord_Howe'), ('Australia/Melbourne', 'Australia/Melbourne'), ('Australia/Perth', 'Australia/Perth'), ('Australia/Sydney', 'Australia/Sydney'), ('Europe/Amsterdam', 'Europe/Amsterdam'), ('Europe/Andorra', 'Europe/Andorra'), ('Europe/Astrakhan', 'Europe/Astrakhan'), ('Europe/Athens', 'Europe/Athens'), ('Europe/Belgrade', 'Europe/Belgrade'), ('Europe/Berlin', 'Europe/Berlin'), ('Europe/Brussels', 'Europe/Brussels'), ('Europe/Bucharest', 'Europe/Bucharest'), ('Europe/Budapest', 'Europe/Budapest'), ('Europe/Chisinau', 'Europe/Chisinau'), ('Europe/Copenhagen', 'Europe/Copenhagen'), ('Europe/Dublin', 'Europe/Dublin'), ('Europe/Gibraltar', 'Europe/Gibraltar'), ('Europe/Helsinki', 'Europe/Helsinki'), ('Europe/Istanbul', 'Europe/Istanbul'), ('Europe/Kaliningrad', 'Europe/Kaliningrad'), ('Europe/Kiev', 'Europe/Kiev'), ('Europe/Kirov', 'Europe/Kirov'), ('Europe/Lisbon', 'Europe/Lisbon'), ('Europe/London', 'Europe/London'), ('Europe/Luxembourg', 'Europe/Luxembourg'), ('Europe/Madrid', 'Europe/Madrid'), ('Europe/Malta', 'Europe/Malta'), ('Europe/Minsk', 'Europe/Minsk'), ('Europe/Monaco', 'Europe/Monaco'), ('Europe/Moscow', 'Europe/Moscow'), ('Europe/Oslo', 'Europe/Oslo'), ('Europe/Paris', 'Europe/Paris'), ('Europe/Prague', 'Europe/Prague'), ('Europe/Riga', 'Europe/Riga'), ('Europe/Rome', 'Europe/Rome'), ('Europe/Samara', 'Europe/Samara'), ('Europe/Saratov', 'Europe/Saratov'), ('Europe/Simferopol', 'Europe/Simferopol'), ('Europe/Sofia', 'Europe/Sofia'), ('Europe/Stockholm', 'Europe/Stockholm'), ('Europe/Tallinn', 'Europe/Tallinn'), ('Europe/Tirane', 'Europe/Tirane'), ('Europe/Ulyanovsk', 'Europe/Ulyanovsk'), ('Europe/Uzhgorod', 'Europe/Uzhgorod'), ('Europe/Vaduz', 'Europe/Vaduz'), ('Europe/Vienna', 'Europe/Vienna'), ('Europe/Vilnius', 'Europe/Vilnius'), ('Europe/Volgograd', 'Europe/Volgograd'), ('Europe/Warsaw', 'Europe/Warsaw'), ('Europe/Zaporozhye', 'Europe/Zaporozhye'), ('Europe/Zurich', 'Europe/Zurich'), ('GMT', 'GMT'), ('Indian/Antananarivo', 'Indian/Antananarivo'), ('Indian/Chagos', 'Indian/Chagos'), ('Indian/Christmas', 'Indian/Christmas'), ('Indian/Cocos', 'Indian/Cocos'), ('Indian/Comoro', 'Indian/Comoro'), ('Indian/Kerguelen', 'Indian/Kerguelen'), ('Indian/Mahe', 'Indian/Mahe'), ('Indian/Maldives', 'Indian/Maldives'), ('Indian/Mauritius', 'Indian/Mauritius'), ('Indian/Mayotte', 'Indian/Mayotte'), ('Indian/Reunion', 'Indian/Reunion'), ('Pacific/Apia', 'Pacific/Apia'), ('Pacific/Auckland', 'Pacific/Auckland'), ('Pacific/Bougainville', 'Pacific/Bougainville'), ('Pacific/Chatham', 'Pacific/Chatham'), ('Pacific/Chuuk', 'Pacific/Chuuk'), ('Pacific/Easter', 'Pacific/Easter'), ('Pacific/Efate', 'Pacific/Efate'), ('Pacific/Enderbury', 'Pacific/Enderbury'), ('Pacific/Fakaofo', 'Pacific/Fakaofo'), ('Pacific/Fiji', 'Pacific/Fiji'), ('Pacific/Funafuti', 'Pacific/Funafuti'), ('Pacific/Galapagos', 'Pacific/Galapagos'), ('Pacific/Gambier', 'Pacific/Gambier'), ('Pacific/Guadalcanal', 'Pacific/Guadalcanal'), ('Pacific/Guam', 'Pacific/Guam'), ('Pacific/Honolulu', 'Pacific/Honolulu'), ('Pacific/Kiritimati', 'Pacific/Kiritimati'), ('Pacific/Kosrae', 'Pacific/Kosrae'), ('Pacific/Kwajalein', 'Pacific/Kwajalein'), ('Pacific/Majuro', 'Pacific/Majuro'), ('Pacific/Marquesas', 'Pacific/Marquesas'), ('Pacific/Midway', 'Pacific/Midway'), ('Pacific/Nauru', 'Pacific/Nauru'), ('Pacific/Niue', 'Pacific/Niue'), ('Pacific/Norfolk', 'Pacific/Norfolk'), ('Pacific/Noumea', 'Pacific/Noumea'), ('Pacific/Pago_Pago', 'Pacific/Pago_Pago'), ('Pacific/Palau', 'Pacific/Palau'), ('Pacific/Pitcairn', 'Pacific/Pitcairn'), ('Pacific/Pohnpei', 'Pacific/Pohnpei'), ('Pacific/Port_Moresby', 'Pacific/Port_Moresby'), ('Pacific/Rarotonga', 'Pacific/Rarotonga'), ('Pacific/Saipan', 'Pacific/Saipan'), ('Pacific/Tahiti', 'Pacific/Tahiti'), ('Pacific/Tarawa', 'Pacific/Tarawa'), ('Pacific/Tongatapu', 'Pacific/Tongatapu'), ('Pacific/Wake', 'Pacific/Wake'), ('Pacific/Wallis', 'Pacific/Wallis'), ('UTC', 'UTC')], max_length=255),
         ),
     ]
diff --git a/ietf/meeting/migrations/0009_add_agenda_info_note.py b/ietf/meeting/migrations/0009_add_agenda_info_note.py
index 109fcd910..0f527ecaf 100644
--- a/ietf/meeting/migrations/0009_add_agenda_info_note.py
+++ b/ietf/meeting/migrations/0009_add_agenda_info_note.py
@@ -18,11 +18,11 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='meeting',
             name='agenda_info_note',
-            field=models.TextField(blank=True, help_text=b'Text in this field will be placed at the top of the html agenda page for the meeting.  HTML can be used, but will not be validated.'),
+            field=models.TextField(blank=True, help_text='Text in this field will be placed at the top of the html agenda page for the meeting.  HTML can be used, but will not be validated.'),
         ),
         migrations.AlterField(
             model_name='meeting',
             name='agenda_warning_note',
-            field=models.TextField(blank=True, help_text=b'Text in this field will be placed more prominently at the top of the html agenda page for the meeting.  HTML can be used, but will not be validated.'),
+            field=models.TextField(blank=True, help_text='Text in this field will be placed more prominently at the top of the html agenda page for the meeting.  HTML can be used, but will not be validated.'),
         ),
     ]
diff --git a/ietf/meeting/migrations/0011_auto_20190114_0550.py b/ietf/meeting/migrations/0011_auto_20190114_0550.py
index 0a12b5fc0..9e775980a 100644
--- a/ietf/meeting/migrations/0011_auto_20190114_0550.py
+++ b/ietf/meeting/migrations/0011_auto_20190114_0550.py
@@ -18,6 +18,6 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='meeting',
             name='time_zone',
-            field=models.CharField(blank=True, choices=[(b'', b'---------'), (b'Africa/Abidjan', b'Africa/Abidjan'), (b'Africa/Accra', b'Africa/Accra'), (b'Africa/Addis_Ababa', b'Africa/Addis_Ababa'), (b'Africa/Algiers', b'Africa/Algiers'), (b'Africa/Asmara', b'Africa/Asmara'), (b'Africa/Bamako', b'Africa/Bamako'), (b'Africa/Bangui', b'Africa/Bangui'), (b'Africa/Banjul', b'Africa/Banjul'), (b'Africa/Bissau', b'Africa/Bissau'), (b'Africa/Blantyre', b'Africa/Blantyre'), (b'Africa/Brazzaville', b'Africa/Brazzaville'), (b'Africa/Bujumbura', b'Africa/Bujumbura'), (b'Africa/Cairo', b'Africa/Cairo'), (b'Africa/Casablanca', b'Africa/Casablanca'), (b'Africa/Ceuta', b'Africa/Ceuta'), (b'Africa/Conakry', b'Africa/Conakry'), (b'Africa/Dakar', b'Africa/Dakar'), (b'Africa/Dar_es_Salaam', b'Africa/Dar_es_Salaam'), (b'Africa/Djibouti', b'Africa/Djibouti'), (b'Africa/Douala', b'Africa/Douala'), (b'Africa/El_Aaiun', b'Africa/El_Aaiun'), (b'Africa/Freetown', b'Africa/Freetown'), (b'Africa/Gaborone', b'Africa/Gaborone'), (b'Africa/Harare', b'Africa/Harare'), (b'Africa/Johannesburg', b'Africa/Johannesburg'), (b'Africa/Juba', b'Africa/Juba'), (b'Africa/Kampala', b'Africa/Kampala'), (b'Africa/Khartoum', b'Africa/Khartoum'), (b'Africa/Kigali', b'Africa/Kigali'), (b'Africa/Kinshasa', b'Africa/Kinshasa'), (b'Africa/Lagos', b'Africa/Lagos'), (b'Africa/Libreville', b'Africa/Libreville'), (b'Africa/Lome', b'Africa/Lome'), (b'Africa/Luanda', b'Africa/Luanda'), (b'Africa/Lubumbashi', b'Africa/Lubumbashi'), (b'Africa/Lusaka', b'Africa/Lusaka'), (b'Africa/Malabo', b'Africa/Malabo'), (b'Africa/Maputo', b'Africa/Maputo'), (b'Africa/Maseru', b'Africa/Maseru'), (b'Africa/Mbabane', b'Africa/Mbabane'), (b'Africa/Mogadishu', b'Africa/Mogadishu'), (b'Africa/Monrovia', b'Africa/Monrovia'), (b'Africa/Nairobi', b'Africa/Nairobi'), (b'Africa/Ndjamena', b'Africa/Ndjamena'), (b'Africa/Niamey', b'Africa/Niamey'), (b'Africa/Nouakchott', b'Africa/Nouakchott'), (b'Africa/Ouagadougou', b'Africa/Ouagadougou'), (b'Africa/Porto-Novo', b'Africa/Porto-Novo'), (b'Africa/Sao_Tome', b'Africa/Sao_Tome'), (b'Africa/Tripoli', b'Africa/Tripoli'), (b'Africa/Tunis', b'Africa/Tunis'), (b'Africa/Windhoek', b'Africa/Windhoek'), (b'America/Adak', b'America/Adak'), (b'America/Anchorage', b'America/Anchorage'), (b'America/Anguilla', b'America/Anguilla'), (b'America/Antigua', b'America/Antigua'), (b'America/Araguaina', b'America/Araguaina'), (b'America/Argentina/Buenos_Aires', b'America/Argentina/Buenos_Aires'), (b'America/Argentina/Catamarca', b'America/Argentina/Catamarca'), (b'America/Argentina/Cordoba', b'America/Argentina/Cordoba'), (b'America/Argentina/Jujuy', b'America/Argentina/Jujuy'), (b'America/Argentina/La_Rioja', b'America/Argentina/La_Rioja'), (b'America/Argentina/Mendoza', b'America/Argentina/Mendoza'), (b'America/Argentina/Rio_Gallegos', b'America/Argentina/Rio_Gallegos'), (b'America/Argentina/Salta', b'America/Argentina/Salta'), (b'America/Argentina/San_Juan', b'America/Argentina/San_Juan'), (b'America/Argentina/San_Luis', b'America/Argentina/San_Luis'), (b'America/Argentina/Tucuman', b'America/Argentina/Tucuman'), (b'America/Argentina/Ushuaia', b'America/Argentina/Ushuaia'), (b'America/Aruba', b'America/Aruba'), (b'America/Asuncion', b'America/Asuncion'), (b'America/Atikokan', b'America/Atikokan'), (b'America/Bahia', b'America/Bahia'), (b'America/Bahia_Banderas', b'America/Bahia_Banderas'), (b'America/Barbados', b'America/Barbados'), (b'America/Belem', b'America/Belem'), (b'America/Belize', b'America/Belize'), (b'America/Blanc-Sablon', b'America/Blanc-Sablon'), (b'America/Boa_Vista', b'America/Boa_Vista'), (b'America/Bogota', b'America/Bogota'), (b'America/Boise', b'America/Boise'), (b'America/Cambridge_Bay', b'America/Cambridge_Bay'), (b'America/Campo_Grande', b'America/Campo_Grande'), (b'America/Cancun', b'America/Cancun'), (b'America/Caracas', b'America/Caracas'), (b'America/Cayenne', b'America/Cayenne'), (b'America/Cayman', b'America/Cayman'), (b'America/Chicago', b'America/Chicago'), (b'America/Chihuahua', b'America/Chihuahua'), (b'America/Costa_Rica', b'America/Costa_Rica'), (b'America/Creston', b'America/Creston'), (b'America/Cuiaba', b'America/Cuiaba'), (b'America/Curacao', b'America/Curacao'), (b'America/Danmarkshavn', b'America/Danmarkshavn'), (b'America/Dawson', b'America/Dawson'), (b'America/Dawson_Creek', b'America/Dawson_Creek'), (b'America/Denver', b'America/Denver'), (b'America/Detroit', b'America/Detroit'), (b'America/Dominica', b'America/Dominica'), (b'America/Edmonton', b'America/Edmonton'), (b'America/Eirunepe', b'America/Eirunepe'), (b'America/El_Salvador', b'America/El_Salvador'), (b'America/Fort_Nelson', b'America/Fort_Nelson'), (b'America/Fortaleza', b'America/Fortaleza'), (b'America/Glace_Bay', b'America/Glace_Bay'), (b'America/Godthab', b'America/Godthab'), (b'America/Goose_Bay', b'America/Goose_Bay'), (b'America/Grand_Turk', b'America/Grand_Turk'), (b'America/Grenada', b'America/Grenada'), (b'America/Guadeloupe', b'America/Guadeloupe'), (b'America/Guatemala', b'America/Guatemala'), (b'America/Guayaquil', b'America/Guayaquil'), (b'America/Guyana', b'America/Guyana'), (b'America/Halifax', b'America/Halifax'), (b'America/Havana', b'America/Havana'), (b'America/Hermosillo', b'America/Hermosillo'), (b'America/Indiana/Indianapolis', b'America/Indiana/Indianapolis'), (b'America/Indiana/Knox', b'America/Indiana/Knox'), (b'America/Indiana/Marengo', b'America/Indiana/Marengo'), (b'America/Indiana/Petersburg', b'America/Indiana/Petersburg'), (b'America/Indiana/Tell_City', b'America/Indiana/Tell_City'), (b'America/Indiana/Vevay', b'America/Indiana/Vevay'), (b'America/Indiana/Vincennes', b'America/Indiana/Vincennes'), (b'America/Indiana/Winamac', b'America/Indiana/Winamac'), (b'America/Inuvik', b'America/Inuvik'), (b'America/Iqaluit', b'America/Iqaluit'), (b'America/Jamaica', b'America/Jamaica'), (b'America/Juneau', b'America/Juneau'), (b'America/Kentucky/Louisville', b'America/Kentucky/Louisville'), (b'America/Kentucky/Monticello', b'America/Kentucky/Monticello'), (b'America/La_Paz', b'America/La_Paz'), (b'America/Lima', b'America/Lima'), (b'America/Los_Angeles', b'America/Los_Angeles'), (b'America/Maceio', b'America/Maceio'), (b'America/Managua', b'America/Managua'), (b'America/Manaus', b'America/Manaus'), (b'America/Martinique', b'America/Martinique'), (b'America/Matamoros', b'America/Matamoros'), (b'America/Mazatlan', b'America/Mazatlan'), (b'America/Menominee', b'America/Menominee'), (b'America/Merida', b'America/Merida'), (b'America/Metlakatla', b'America/Metlakatla'), (b'America/Mexico_City', b'America/Mexico_City'), (b'America/Miquelon', b'America/Miquelon'), (b'America/Moncton', b'America/Moncton'), (b'America/Monterrey', b'America/Monterrey'), (b'America/Montevideo', b'America/Montevideo'), (b'America/Montserrat', b'America/Montserrat'), (b'America/Nassau', b'America/Nassau'), (b'America/New_York', b'America/New_York'), (b'America/Nipigon', b'America/Nipigon'), (b'America/Nome', b'America/Nome'), (b'America/Noronha', b'America/Noronha'), (b'America/North_Dakota/Beulah', b'America/North_Dakota/Beulah'), (b'America/North_Dakota/Center', b'America/North_Dakota/Center'), (b'America/North_Dakota/New_Salem', b'America/North_Dakota/New_Salem'), (b'America/Ojinaga', b'America/Ojinaga'), (b'America/Panama', b'America/Panama'), (b'America/Pangnirtung', b'America/Pangnirtung'), (b'America/Paramaribo', b'America/Paramaribo'), (b'America/Phoenix', b'America/Phoenix'), (b'America/Port-au-Prince', b'America/Port-au-Prince'), (b'America/Port_of_Spain', b'America/Port_of_Spain'), (b'America/Porto_Velho', b'America/Porto_Velho'), (b'America/Puerto_Rico', b'America/Puerto_Rico'), (b'America/Punta_Arenas', b'America/Punta_Arenas'), (b'America/Rainy_River', b'America/Rainy_River'), (b'America/Rankin_Inlet', b'America/Rankin_Inlet'), (b'America/Recife', b'America/Recife'), (b'America/Regina', b'America/Regina'), (b'America/Resolute', b'America/Resolute'), (b'America/Rio_Branco', b'America/Rio_Branco'), (b'America/Santarem', b'America/Santarem'), (b'America/Santiago', b'America/Santiago'), (b'America/Santo_Domingo', b'America/Santo_Domingo'), (b'America/Sao_Paulo', b'America/Sao_Paulo'), (b'America/Scoresbysund', b'America/Scoresbysund'), (b'America/Sitka', b'America/Sitka'), (b'America/St_Johns', b'America/St_Johns'), (b'America/St_Kitts', b'America/St_Kitts'), (b'America/St_Lucia', b'America/St_Lucia'), (b'America/St_Thomas', b'America/St_Thomas'), (b'America/St_Vincent', b'America/St_Vincent'), (b'America/Swift_Current', b'America/Swift_Current'), (b'America/Tegucigalpa', b'America/Tegucigalpa'), (b'America/Thule', b'America/Thule'), (b'America/Thunder_Bay', b'America/Thunder_Bay'), (b'America/Tijuana', b'America/Tijuana'), (b'America/Toronto', b'America/Toronto'), (b'America/Tortola', b'America/Tortola'), (b'America/Vancouver', b'America/Vancouver'), (b'America/Whitehorse', b'America/Whitehorse'), (b'America/Winnipeg', b'America/Winnipeg'), (b'America/Yakutat', b'America/Yakutat'), (b'America/Yellowknife', b'America/Yellowknife'), (b'Antarctica/Casey', b'Antarctica/Casey'), (b'Antarctica/Davis', b'Antarctica/Davis'), (b'Antarctica/DumontDUrville', b'Antarctica/DumontDUrville'), (b'Antarctica/Macquarie', b'Antarctica/Macquarie'), (b'Antarctica/Mawson', b'Antarctica/Mawson'), (b'Antarctica/McMurdo', b'Antarctica/McMurdo'), (b'Antarctica/Palmer', b'Antarctica/Palmer'), (b'Antarctica/Rothera', b'Antarctica/Rothera'), (b'Antarctica/Syowa', b'Antarctica/Syowa'), (b'Antarctica/Troll', b'Antarctica/Troll'), (b'Antarctica/Vostok', b'Antarctica/Vostok'), (b'Asia/Aden', b'Asia/Aden'), (b'Asia/Almaty', b'Asia/Almaty'), (b'Asia/Amman', b'Asia/Amman'), (b'Asia/Anadyr', b'Asia/Anadyr'), (b'Asia/Aqtau', b'Asia/Aqtau'), (b'Asia/Aqtobe', b'Asia/Aqtobe'), (b'Asia/Ashgabat', b'Asia/Ashgabat'), (b'Asia/Atyrau', b'Asia/Atyrau'), (b'Asia/Baghdad', b'Asia/Baghdad'), (b'Asia/Bahrain', b'Asia/Bahrain'), (b'Asia/Baku', b'Asia/Baku'), (b'Asia/Bangkok', b'Asia/Bangkok'), (b'Asia/Barnaul', b'Asia/Barnaul'), (b'Asia/Beirut', b'Asia/Beirut'), (b'Asia/Bishkek', b'Asia/Bishkek'), (b'Asia/Brunei', b'Asia/Brunei'), (b'Asia/Chita', b'Asia/Chita'), (b'Asia/Choibalsan', b'Asia/Choibalsan'), (b'Asia/Colombo', b'Asia/Colombo'), (b'Asia/Damascus', b'Asia/Damascus'), (b'Asia/Dhaka', b'Asia/Dhaka'), (b'Asia/Dili', b'Asia/Dili'), (b'Asia/Dubai', b'Asia/Dubai'), (b'Asia/Dushanbe', b'Asia/Dushanbe'), (b'Asia/Famagusta', b'Asia/Famagusta'), (b'Asia/Gaza', b'Asia/Gaza'), (b'Asia/Hebron', b'Asia/Hebron'), (b'Asia/Ho_Chi_Minh', b'Asia/Ho_Chi_Minh'), (b'Asia/Hong_Kong', b'Asia/Hong_Kong'), (b'Asia/Hovd', b'Asia/Hovd'), (b'Asia/Irkutsk', b'Asia/Irkutsk'), (b'Asia/Jakarta', b'Asia/Jakarta'), (b'Asia/Jayapura', b'Asia/Jayapura'), (b'Asia/Jerusalem', b'Asia/Jerusalem'), (b'Asia/Kabul', b'Asia/Kabul'), (b'Asia/Kamchatka', b'Asia/Kamchatka'), (b'Asia/Karachi', b'Asia/Karachi'), (b'Asia/Kathmandu', b'Asia/Kathmandu'), (b'Asia/Khandyga', b'Asia/Khandyga'), (b'Asia/Kolkata', b'Asia/Kolkata'), (b'Asia/Krasnoyarsk', b'Asia/Krasnoyarsk'), (b'Asia/Kuala_Lumpur', b'Asia/Kuala_Lumpur'), (b'Asia/Kuching', b'Asia/Kuching'), (b'Asia/Kuwait', b'Asia/Kuwait'), (b'Asia/Macau', b'Asia/Macau'), (b'Asia/Magadan', b'Asia/Magadan'), (b'Asia/Makassar', b'Asia/Makassar'), (b'Asia/Manila', b'Asia/Manila'), (b'Asia/Muscat', b'Asia/Muscat'), (b'Asia/Nicosia', b'Asia/Nicosia'), (b'Asia/Novokuznetsk', b'Asia/Novokuznetsk'), (b'Asia/Novosibirsk', b'Asia/Novosibirsk'), (b'Asia/Omsk', b'Asia/Omsk'), (b'Asia/Oral', b'Asia/Oral'), (b'Asia/Phnom_Penh', b'Asia/Phnom_Penh'), (b'Asia/Pontianak', b'Asia/Pontianak'), (b'Asia/Pyongyang', b'Asia/Pyongyang'), (b'Asia/Qatar', b'Asia/Qatar'), (b'Asia/Qostanay', b'Asia/Qostanay'), (b'Asia/Qyzylorda', b'Asia/Qyzylorda'), (b'Asia/Riyadh', b'Asia/Riyadh'), (b'Asia/Sakhalin', b'Asia/Sakhalin'), (b'Asia/Samarkand', b'Asia/Samarkand'), (b'Asia/Seoul', b'Asia/Seoul'), (b'Asia/Shanghai', 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(b'Europe/Saratov', b'Europe/Saratov'), (b'Europe/Simferopol', b'Europe/Simferopol'), (b'Europe/Sofia', b'Europe/Sofia'), (b'Europe/Stockholm', b'Europe/Stockholm'), (b'Europe/Tallinn', b'Europe/Tallinn'), (b'Europe/Tirane', b'Europe/Tirane'), (b'Europe/Ulyanovsk', b'Europe/Ulyanovsk'), (b'Europe/Uzhgorod', b'Europe/Uzhgorod'), (b'Europe/Vaduz', b'Europe/Vaduz'), (b'Europe/Vienna', b'Europe/Vienna'), (b'Europe/Vilnius', b'Europe/Vilnius'), (b'Europe/Volgograd', b'Europe/Volgograd'), (b'Europe/Warsaw', b'Europe/Warsaw'), (b'Europe/Zaporozhye', b'Europe/Zaporozhye'), (b'Europe/Zurich', b'Europe/Zurich'), (b'GMT', b'GMT'), (b'Indian/Antananarivo', b'Indian/Antananarivo'), (b'Indian/Chagos', b'Indian/Chagos'), (b'Indian/Christmas', b'Indian/Christmas'), (b'Indian/Cocos', b'Indian/Cocos'), (b'Indian/Comoro', b'Indian/Comoro'), (b'Indian/Kerguelen', b'Indian/Kerguelen'), (b'Indian/Mahe', b'Indian/Mahe'), (b'Indian/Maldives', b'Indian/Maldives'), (b'Indian/Mauritius', b'Indian/Mauritius'), 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b'Pacific/Midway'), (b'Pacific/Nauru', b'Pacific/Nauru'), (b'Pacific/Niue', b'Pacific/Niue'), (b'Pacific/Norfolk', b'Pacific/Norfolk'), (b'Pacific/Noumea', b'Pacific/Noumea'), (b'Pacific/Pago_Pago', b'Pacific/Pago_Pago'), (b'Pacific/Palau', b'Pacific/Palau'), (b'Pacific/Pitcairn', b'Pacific/Pitcairn'), (b'Pacific/Pohnpei', b'Pacific/Pohnpei'), (b'Pacific/Port_Moresby', b'Pacific/Port_Moresby'), (b'Pacific/Rarotonga', b'Pacific/Rarotonga'), (b'Pacific/Saipan', b'Pacific/Saipan'), (b'Pacific/Tahiti', b'Pacific/Tahiti'), (b'Pacific/Tarawa', b'Pacific/Tarawa'), (b'Pacific/Tongatapu', b'Pacific/Tongatapu'), (b'Pacific/Wake', b'Pacific/Wake'), (b'Pacific/Wallis', b'Pacific/Wallis'), (b'UTC', b'UTC')], max_length=255),
+            field=models.CharField(blank=True, choices=[('', '---------'), ('Africa/Abidjan', 'Africa/Abidjan'), ('Africa/Accra', 'Africa/Accra'), ('Africa/Addis_Ababa', 'Africa/Addis_Ababa'), ('Africa/Algiers', 'Africa/Algiers'), ('Africa/Asmara', 'Africa/Asmara'), ('Africa/Bamako', 'Africa/Bamako'), ('Africa/Bangui', 'Africa/Bangui'), ('Africa/Banjul', 'Africa/Banjul'), ('Africa/Bissau', 'Africa/Bissau'), ('Africa/Blantyre', 'Africa/Blantyre'), ('Africa/Brazzaville', 'Africa/Brazzaville'), ('Africa/Bujumbura', 'Africa/Bujumbura'), ('Africa/Cairo', 'Africa/Cairo'), ('Africa/Casablanca', 'Africa/Casablanca'), ('Africa/Ceuta', 'Africa/Ceuta'), ('Africa/Conakry', 'Africa/Conakry'), ('Africa/Dakar', 'Africa/Dakar'), ('Africa/Dar_es_Salaam', 'Africa/Dar_es_Salaam'), ('Africa/Djibouti', 'Africa/Djibouti'), ('Africa/Douala', 'Africa/Douala'), ('Africa/El_Aaiun', 'Africa/El_Aaiun'), ('Africa/Freetown', 'Africa/Freetown'), ('Africa/Gaborone', 'Africa/Gaborone'), ('Africa/Harare', 'Africa/Harare'), ('Africa/Johannesburg', 'Africa/Johannesburg'), ('Africa/Juba', 'Africa/Juba'), ('Africa/Kampala', 'Africa/Kampala'), ('Africa/Khartoum', 'Africa/Khartoum'), ('Africa/Kigali', 'Africa/Kigali'), ('Africa/Kinshasa', 'Africa/Kinshasa'), ('Africa/Lagos', 'Africa/Lagos'), ('Africa/Libreville', 'Africa/Libreville'), ('Africa/Lome', 'Africa/Lome'), ('Africa/Luanda', 'Africa/Luanda'), ('Africa/Lubumbashi', 'Africa/Lubumbashi'), ('Africa/Lusaka', 'Africa/Lusaka'), ('Africa/Malabo', 'Africa/Malabo'), ('Africa/Maputo', 'Africa/Maputo'), ('Africa/Maseru', 'Africa/Maseru'), ('Africa/Mbabane', 'Africa/Mbabane'), ('Africa/Mogadishu', 'Africa/Mogadishu'), ('Africa/Monrovia', 'Africa/Monrovia'), ('Africa/Nairobi', 'Africa/Nairobi'), ('Africa/Ndjamena', 'Africa/Ndjamena'), ('Africa/Niamey', 'Africa/Niamey'), ('Africa/Nouakchott', 'Africa/Nouakchott'), ('Africa/Ouagadougou', 'Africa/Ouagadougou'), ('Africa/Porto-Novo', 'Africa/Porto-Novo'), ('Africa/Sao_Tome', 'Africa/Sao_Tome'), ('Africa/Tripoli', 'Africa/Tripoli'), ('Africa/Tunis', 'Africa/Tunis'), ('Africa/Windhoek', 'Africa/Windhoek'), ('America/Adak', 'America/Adak'), ('America/Anchorage', 'America/Anchorage'), ('America/Anguilla', 'America/Anguilla'), ('America/Antigua', 'America/Antigua'), ('America/Araguaina', 'America/Araguaina'), ('America/Argentina/Buenos_Aires', 'America/Argentina/Buenos_Aires'), ('America/Argentina/Catamarca', 'America/Argentina/Catamarca'), ('America/Argentina/Cordoba', 'America/Argentina/Cordoba'), ('America/Argentina/Jujuy', 'America/Argentina/Jujuy'), ('America/Argentina/La_Rioja', 'America/Argentina/La_Rioja'), ('America/Argentina/Mendoza', 'America/Argentina/Mendoza'), ('America/Argentina/Rio_Gallegos', 'America/Argentina/Rio_Gallegos'), ('America/Argentina/Salta', 'America/Argentina/Salta'), ('America/Argentina/San_Juan', 'America/Argentina/San_Juan'), ('America/Argentina/San_Luis', 'America/Argentina/San_Luis'), ('America/Argentina/Tucuman', 'America/Argentina/Tucuman'), ('America/Argentina/Ushuaia', 'America/Argentina/Ushuaia'), ('America/Aruba', 'America/Aruba'), ('America/Asuncion', 'America/Asuncion'), ('America/Atikokan', 'America/Atikokan'), ('America/Bahia', 'America/Bahia'), ('America/Bahia_Banderas', 'America/Bahia_Banderas'), ('America/Barbados', 'America/Barbados'), ('America/Belem', 'America/Belem'), ('America/Belize', 'America/Belize'), ('America/Blanc-Sablon', 'America/Blanc-Sablon'), ('America/Boa_Vista', 'America/Boa_Vista'), ('America/Bogota', 'America/Bogota'), ('America/Boise', 'America/Boise'), ('America/Cambridge_Bay', 'America/Cambridge_Bay'), ('America/Campo_Grande', 'America/Campo_Grande'), ('America/Cancun', 'America/Cancun'), ('America/Caracas', 'America/Caracas'), ('America/Cayenne', 'America/Cayenne'), ('America/Cayman', 'America/Cayman'), ('America/Chicago', 'America/Chicago'), ('America/Chihuahua', 'America/Chihuahua'), ('America/Costa_Rica', 'America/Costa_Rica'), ('America/Creston', 'America/Creston'), ('America/Cuiaba', 'America/Cuiaba'), ('America/Curacao', 'America/Curacao'), ('America/Danmarkshavn', 'America/Danmarkshavn'), ('America/Dawson', 'America/Dawson'), ('America/Dawson_Creek', 'America/Dawson_Creek'), ('America/Denver', 'America/Denver'), ('America/Detroit', 'America/Detroit'), ('America/Dominica', 'America/Dominica'), ('America/Edmonton', 'America/Edmonton'), ('America/Eirunepe', 'America/Eirunepe'), ('America/El_Salvador', 'America/El_Salvador'), ('America/Fort_Nelson', 'America/Fort_Nelson'), ('America/Fortaleza', 'America/Fortaleza'), ('America/Glace_Bay', 'America/Glace_Bay'), ('America/Godthab', 'America/Godthab'), ('America/Goose_Bay', 'America/Goose_Bay'), ('America/Grand_Turk', 'America/Grand_Turk'), ('America/Grenada', 'America/Grenada'), ('America/Guadeloupe', 'America/Guadeloupe'), ('America/Guatemala', 'America/Guatemala'), ('America/Guayaquil', 'America/Guayaquil'), ('America/Guyana', 'America/Guyana'), ('America/Halifax', 'America/Halifax'), ('America/Havana', 'America/Havana'), ('America/Hermosillo', 'America/Hermosillo'), ('America/Indiana/Indianapolis', 'America/Indiana/Indianapolis'), ('America/Indiana/Knox', 'America/Indiana/Knox'), ('America/Indiana/Marengo', 'America/Indiana/Marengo'), ('America/Indiana/Petersburg', 'America/Indiana/Petersburg'), ('America/Indiana/Tell_City', 'America/Indiana/Tell_City'), ('America/Indiana/Vevay', 'America/Indiana/Vevay'), ('America/Indiana/Vincennes', 'America/Indiana/Vincennes'), ('America/Indiana/Winamac', 'America/Indiana/Winamac'), ('America/Inuvik', 'America/Inuvik'), ('America/Iqaluit', 'America/Iqaluit'), ('America/Jamaica', 'America/Jamaica'), ('America/Juneau', 'America/Juneau'), ('America/Kentucky/Louisville', 'America/Kentucky/Louisville'), ('America/Kentucky/Monticello', 'America/Kentucky/Monticello'), ('America/La_Paz', 'America/La_Paz'), ('America/Lima', 'America/Lima'), ('America/Los_Angeles', 'America/Los_Angeles'), ('America/Maceio', 'America/Maceio'), ('America/Managua', 'America/Managua'), ('America/Manaus', 'America/Manaus'), ('America/Martinique', 'America/Martinique'), ('America/Matamoros', 'America/Matamoros'), ('America/Mazatlan', 'America/Mazatlan'), ('America/Menominee', 'America/Menominee'), ('America/Merida', 'America/Merida'), ('America/Metlakatla', 'America/Metlakatla'), ('America/Mexico_City', 'America/Mexico_City'), ('America/Miquelon', 'America/Miquelon'), ('America/Moncton', 'America/Moncton'), ('America/Monterrey', 'America/Monterrey'), ('America/Montevideo', 'America/Montevideo'), ('America/Montserrat', 'America/Montserrat'), ('America/Nassau', 'America/Nassau'), ('America/New_York', 'America/New_York'), ('America/Nipigon', 'America/Nipigon'), ('America/Nome', 'America/Nome'), ('America/Noronha', 'America/Noronha'), ('America/North_Dakota/Beulah', 'America/North_Dakota/Beulah'), ('America/North_Dakota/Center', 'America/North_Dakota/Center'), ('America/North_Dakota/New_Salem', 'America/North_Dakota/New_Salem'), ('America/Ojinaga', 'America/Ojinaga'), ('America/Panama', 'America/Panama'), ('America/Pangnirtung', 'America/Pangnirtung'), ('America/Paramaribo', 'America/Paramaribo'), ('America/Phoenix', 'America/Phoenix'), ('America/Port-au-Prince', 'America/Port-au-Prince'), ('America/Port_of_Spain', 'America/Port_of_Spain'), ('America/Porto_Velho', 'America/Porto_Velho'), ('America/Puerto_Rico', 'America/Puerto_Rico'), ('America/Punta_Arenas', 'America/Punta_Arenas'), ('America/Rainy_River', 'America/Rainy_River'), ('America/Rankin_Inlet', 'America/Rankin_Inlet'), ('America/Recife', 'America/Recife'), ('America/Regina', 'America/Regina'), ('America/Resolute', 'America/Resolute'), ('America/Rio_Branco', 'America/Rio_Branco'), ('America/Santarem', 'America/Santarem'), ('America/Santiago', 'America/Santiago'), ('America/Santo_Domingo', 'America/Santo_Domingo'), ('America/Sao_Paulo', 'America/Sao_Paulo'), ('America/Scoresbysund', 'America/Scoresbysund'), ('America/Sitka', 'America/Sitka'), ('America/St_Johns', 'America/St_Johns'), ('America/St_Kitts', 'America/St_Kitts'), ('America/St_Lucia', 'America/St_Lucia'), ('America/St_Thomas', 'America/St_Thomas'), ('America/St_Vincent', 'America/St_Vincent'), ('America/Swift_Current', 'America/Swift_Current'), ('America/Tegucigalpa', 'America/Tegucigalpa'), ('America/Thule', 'America/Thule'), ('America/Thunder_Bay', 'America/Thunder_Bay'), ('America/Tijuana', 'America/Tijuana'), ('America/Toronto', 'America/Toronto'), ('America/Tortola', 'America/Tortola'), ('America/Vancouver', 'America/Vancouver'), ('America/Whitehorse', 'America/Whitehorse'), ('America/Winnipeg', 'America/Winnipeg'), ('America/Yakutat', 'America/Yakutat'), ('America/Yellowknife', 'America/Yellowknife'), ('Antarctica/Casey', 'Antarctica/Casey'), ('Antarctica/Davis', 'Antarctica/Davis'), ('Antarctica/DumontDUrville', 'Antarctica/DumontDUrville'), ('Antarctica/Macquarie', 'Antarctica/Macquarie'), ('Antarctica/Mawson', 'Antarctica/Mawson'), ('Antarctica/McMurdo', 'Antarctica/McMurdo'), ('Antarctica/Palmer', 'Antarctica/Palmer'), ('Antarctica/Rothera', 'Antarctica/Rothera'), ('Antarctica/Syowa', 'Antarctica/Syowa'), ('Antarctica/Troll', 'Antarctica/Troll'), ('Antarctica/Vostok', 'Antarctica/Vostok'), ('Asia/Aden', 'Asia/Aden'), ('Asia/Almaty', 'Asia/Almaty'), ('Asia/Amman', 'Asia/Amman'), ('Asia/Anadyr', 'Asia/Anadyr'), ('Asia/Aqtau', 'Asia/Aqtau'), ('Asia/Aqtobe', 'Asia/Aqtobe'), ('Asia/Ashgabat', 'Asia/Ashgabat'), ('Asia/Atyrau', 'Asia/Atyrau'), ('Asia/Baghdad', 'Asia/Baghdad'), ('Asia/Bahrain', 'Asia/Bahrain'), ('Asia/Baku', 'Asia/Baku'), ('Asia/Bangkok', 'Asia/Bangkok'), ('Asia/Barnaul', 'Asia/Barnaul'), ('Asia/Beirut', 'Asia/Beirut'), ('Asia/Bishkek', 'Asia/Bishkek'), ('Asia/Brunei', 'Asia/Brunei'), ('Asia/Chita', 'Asia/Chita'), ('Asia/Choibalsan', 'Asia/Choibalsan'), ('Asia/Colombo', 'Asia/Colombo'), ('Asia/Damascus', 'Asia/Damascus'), ('Asia/Dhaka', 'Asia/Dhaka'), ('Asia/Dili', 'Asia/Dili'), ('Asia/Dubai', 'Asia/Dubai'), ('Asia/Dushanbe', 'Asia/Dushanbe'), ('Asia/Famagusta', 'Asia/Famagusta'), ('Asia/Gaza', 'Asia/Gaza'), ('Asia/Hebron', 'Asia/Hebron'), ('Asia/Ho_Chi_Minh', 'Asia/Ho_Chi_Minh'), ('Asia/Hong_Kong', 'Asia/Hong_Kong'), ('Asia/Hovd', 'Asia/Hovd'), ('Asia/Irkutsk', 'Asia/Irkutsk'), ('Asia/Jakarta', 'Asia/Jakarta'), ('Asia/Jayapura', 'Asia/Jayapura'), ('Asia/Jerusalem', 'Asia/Jerusalem'), ('Asia/Kabul', 'Asia/Kabul'), ('Asia/Kamchatka', 'Asia/Kamchatka'), ('Asia/Karachi', 'Asia/Karachi'), ('Asia/Kathmandu', 'Asia/Kathmandu'), ('Asia/Khandyga', 'Asia/Khandyga'), ('Asia/Kolkata', 'Asia/Kolkata'), ('Asia/Krasnoyarsk', 'Asia/Krasnoyarsk'), ('Asia/Kuala_Lumpur', 'Asia/Kuala_Lumpur'), ('Asia/Kuching', 'Asia/Kuching'), ('Asia/Kuwait', 'Asia/Kuwait'), ('Asia/Macau', 'Asia/Macau'), ('Asia/Magadan', 'Asia/Magadan'), ('Asia/Makassar', 'Asia/Makassar'), ('Asia/Manila', 'Asia/Manila'), ('Asia/Muscat', 'Asia/Muscat'), ('Asia/Nicosia', 'Asia/Nicosia'), ('Asia/Novokuznetsk', 'Asia/Novokuznetsk'), ('Asia/Novosibirsk', 'Asia/Novosibirsk'), ('Asia/Omsk', 'Asia/Omsk'), ('Asia/Oral', 'Asia/Oral'), ('Asia/Phnom_Penh', 'Asia/Phnom_Penh'), ('Asia/Pontianak', 'Asia/Pontianak'), ('Asia/Pyongyang', 'Asia/Pyongyang'), ('Asia/Qatar', 'Asia/Qatar'), ('Asia/Qostanay', 'Asia/Qostanay'), ('Asia/Qyzylorda', 'Asia/Qyzylorda'), ('Asia/Riyadh', 'Asia/Riyadh'), ('Asia/Sakhalin', 'Asia/Sakhalin'), ('Asia/Samarkand', 'Asia/Samarkand'), ('Asia/Seoul', 'Asia/Seoul'), ('Asia/Shanghai', 'Asia/Shanghai'), ('Asia/Singapore', 'Asia/Singapore'), ('Asia/Srednekolymsk', 'Asia/Srednekolymsk'), ('Asia/Taipei', 'Asia/Taipei'), ('Asia/Tashkent', 'Asia/Tashkent'), ('Asia/Tbilisi', 'Asia/Tbilisi'), ('Asia/Tehran', 'Asia/Tehran'), ('Asia/Thimphu', 'Asia/Thimphu'), ('Asia/Tokyo', 'Asia/Tokyo'), ('Asia/Tomsk', 'Asia/Tomsk'), ('Asia/Ulaanbaatar', 'Asia/Ulaanbaatar'), ('Asia/Urumqi', 'Asia/Urumqi'), ('Asia/Ust-Nera', 'Asia/Ust-Nera'), ('Asia/Vientiane', 'Asia/Vientiane'), ('Asia/Vladivostok', 'Asia/Vladivostok'), ('Asia/Yakutsk', 'Asia/Yakutsk'), ('Asia/Yangon', 'Asia/Yangon'), ('Asia/Yekaterinburg', 'Asia/Yekaterinburg'), ('Asia/Yerevan', 'Asia/Yerevan'), ('Atlantic/Azores', 'Atlantic/Azores'), ('Atlantic/Bermuda', 'Atlantic/Bermuda'), ('Atlantic/Canary', 'Atlantic/Canary'), ('Atlantic/Cape_Verde', 'Atlantic/Cape_Verde'), ('Atlantic/Faroe', 'Atlantic/Faroe'), ('Atlantic/Madeira', 'Atlantic/Madeira'), ('Atlantic/Reykjavik', 'Atlantic/Reykjavik'), ('Atlantic/South_Georgia', 'Atlantic/South_Georgia'), ('Atlantic/St_Helena', 'Atlantic/St_Helena'), ('Atlantic/Stanley', 'Atlantic/Stanley'), ('Australia/Adelaide', 'Australia/Adelaide'), ('Australia/Brisbane', 'Australia/Brisbane'), ('Australia/Broken_Hill', 'Australia/Broken_Hill'), ('Australia/Currie', 'Australia/Currie'), ('Australia/Darwin', 'Australia/Darwin'), ('Australia/Eucla', 'Australia/Eucla'), ('Australia/Hobart', 'Australia/Hobart'), ('Australia/Lindeman', 'Australia/Lindeman'), ('Australia/Lord_Howe', 'Australia/Lord_Howe'), ('Australia/Melbourne', 'Australia/Melbourne'), ('Australia/Perth', 'Australia/Perth'), ('Australia/Sydney', 'Australia/Sydney'), ('Europe/Amsterdam', 'Europe/Amsterdam'), ('Europe/Andorra', 'Europe/Andorra'), ('Europe/Astrakhan', 'Europe/Astrakhan'), ('Europe/Athens', 'Europe/Athens'), ('Europe/Belgrade', 'Europe/Belgrade'), ('Europe/Berlin', 'Europe/Berlin'), ('Europe/Brussels', 'Europe/Brussels'), ('Europe/Bucharest', 'Europe/Bucharest'), ('Europe/Budapest', 'Europe/Budapest'), ('Europe/Chisinau', 'Europe/Chisinau'), ('Europe/Copenhagen', 'Europe/Copenhagen'), ('Europe/Dublin', 'Europe/Dublin'), ('Europe/Gibraltar', 'Europe/Gibraltar'), ('Europe/Helsinki', 'Europe/Helsinki'), ('Europe/Istanbul', 'Europe/Istanbul'), ('Europe/Kaliningrad', 'Europe/Kaliningrad'), ('Europe/Kiev', 'Europe/Kiev'), ('Europe/Kirov', 'Europe/Kirov'), ('Europe/Lisbon', 'Europe/Lisbon'), ('Europe/London', 'Europe/London'), ('Europe/Luxembourg', 'Europe/Luxembourg'), ('Europe/Madrid', 'Europe/Madrid'), ('Europe/Malta', 'Europe/Malta'), ('Europe/Minsk', 'Europe/Minsk'), ('Europe/Monaco', 'Europe/Monaco'), ('Europe/Moscow', 'Europe/Moscow'), ('Europe/Oslo', 'Europe/Oslo'), ('Europe/Paris', 'Europe/Paris'), ('Europe/Prague', 'Europe/Prague'), ('Europe/Riga', 'Europe/Riga'), ('Europe/Rome', 'Europe/Rome'), ('Europe/Samara', 'Europe/Samara'), ('Europe/Saratov', 'Europe/Saratov'), ('Europe/Simferopol', 'Europe/Simferopol'), ('Europe/Sofia', 'Europe/Sofia'), ('Europe/Stockholm', 'Europe/Stockholm'), ('Europe/Tallinn', 'Europe/Tallinn'), ('Europe/Tirane', 'Europe/Tirane'), ('Europe/Ulyanovsk', 'Europe/Ulyanovsk'), ('Europe/Uzhgorod', 'Europe/Uzhgorod'), ('Europe/Vaduz', 'Europe/Vaduz'), ('Europe/Vienna', 'Europe/Vienna'), ('Europe/Vilnius', 'Europe/Vilnius'), ('Europe/Volgograd', 'Europe/Volgograd'), ('Europe/Warsaw', 'Europe/Warsaw'), ('Europe/Zaporozhye', 'Europe/Zaporozhye'), ('Europe/Zurich', 'Europe/Zurich'), ('GMT', 'GMT'), ('Indian/Antananarivo', 'Indian/Antananarivo'), ('Indian/Chagos', 'Indian/Chagos'), ('Indian/Christmas', 'Indian/Christmas'), ('Indian/Cocos', 'Indian/Cocos'), ('Indian/Comoro', 'Indian/Comoro'), ('Indian/Kerguelen', 'Indian/Kerguelen'), ('Indian/Mahe', 'Indian/Mahe'), ('Indian/Maldives', 'Indian/Maldives'), ('Indian/Mauritius', 'Indian/Mauritius'), ('Indian/Mayotte', 'Indian/Mayotte'), ('Indian/Reunion', 'Indian/Reunion'), ('Pacific/Apia', 'Pacific/Apia'), ('Pacific/Auckland', 'Pacific/Auckland'), ('Pacific/Bougainville', 'Pacific/Bougainville'), ('Pacific/Chatham', 'Pacific/Chatham'), ('Pacific/Chuuk', 'Pacific/Chuuk'), ('Pacific/Easter', 'Pacific/Easter'), ('Pacific/Efate', 'Pacific/Efate'), ('Pacific/Enderbury', 'Pacific/Enderbury'), ('Pacific/Fakaofo', 'Pacific/Fakaofo'), ('Pacific/Fiji', 'Pacific/Fiji'), ('Pacific/Funafuti', 'Pacific/Funafuti'), ('Pacific/Galapagos', 'Pacific/Galapagos'), ('Pacific/Gambier', 'Pacific/Gambier'), ('Pacific/Guadalcanal', 'Pacific/Guadalcanal'), ('Pacific/Guam', 'Pacific/Guam'), ('Pacific/Honolulu', 'Pacific/Honolulu'), ('Pacific/Kiritimati', 'Pacific/Kiritimati'), ('Pacific/Kosrae', 'Pacific/Kosrae'), ('Pacific/Kwajalein', 'Pacific/Kwajalein'), ('Pacific/Majuro', 'Pacific/Majuro'), ('Pacific/Marquesas', 'Pacific/Marquesas'), ('Pacific/Midway', 'Pacific/Midway'), ('Pacific/Nauru', 'Pacific/Nauru'), ('Pacific/Niue', 'Pacific/Niue'), ('Pacific/Norfolk', 'Pacific/Norfolk'), ('Pacific/Noumea', 'Pacific/Noumea'), ('Pacific/Pago_Pago', 'Pacific/Pago_Pago'), ('Pacific/Palau', 'Pacific/Palau'), ('Pacific/Pitcairn', 'Pacific/Pitcairn'), ('Pacific/Pohnpei', 'Pacific/Pohnpei'), ('Pacific/Port_Moresby', 'Pacific/Port_Moresby'), ('Pacific/Rarotonga', 'Pacific/Rarotonga'), ('Pacific/Saipan', 'Pacific/Saipan'), ('Pacific/Tahiti', 'Pacific/Tahiti'), ('Pacific/Tarawa', 'Pacific/Tarawa'), ('Pacific/Tongatapu', 'Pacific/Tongatapu'), ('Pacific/Wake', 'Pacific/Wake'), ('Pacific/Wallis', 'Pacific/Wallis'), ('UTC', 'UTC')], max_length=255),
         ),
     ]
diff --git a/ietf/meeting/migrations/0014_auto_20190426_0305.py b/ietf/meeting/migrations/0014_auto_20190426_0305.py
index 4f7d47a62..d3ff2084f 100644
--- a/ietf/meeting/migrations/0014_auto_20190426_0305.py
+++ b/ietf/meeting/migrations/0014_auto_20190426_0305.py
@@ -18,6 +18,6 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='meeting',
             name='country',
-            field=models.CharField(blank=True, choices=[(b'', b''), ('AF', 'Afghanistan'), ('AL', 'Albania'), ('DZ', 'Algeria'), ('AD', 'Andorra'), ('AO', 'Angola'), ('AI', 'Anguilla'), ('AQ', 'Antarctica'), ('AG', 'Antigua & Barbuda'), ('AR', 'Argentina'), ('AM', 'Armenia'), ('AW', 'Aruba'), ('AU', 'Australia'), ('AT', 'Austria'), ('AZ', 'Azerbaijan'), ('BS', 'Bahamas'), ('BH', 'Bahrain'), ('BD', 'Bangladesh'), ('BB', 'Barbados'), ('BY', 'Belarus'), ('BE', 'Belgium'), ('BZ', 'Belize'), ('BJ', 'Benin'), ('BM', 'Bermuda'), ('BT', 'Bhutan'), ('BO', 'Bolivia'), ('BA', 'Bosnia & Herzegovina'), ('BW', 'Botswana'), ('BV', 'Bouvet Island'), ('BR', 'Brazil'), ('GB', 'Britain (UK)'), ('IO', 'British Indian Ocean Territory'), ('BN', 'Brunei'), ('BG', 'Bulgaria'), ('BF', 'Burkina Faso'), ('BI', 'Burundi'), ('KH', 'Cambodia'), ('CM', 'Cameroon'), ('CA', 'Canada'), ('CV', 'Cape Verde'), ('BQ', 'Caribbean NL'), ('KY', 'Cayman Islands'), ('CF', 'Central African Rep.'), ('TD', 'Chad'), ('CL', 'Chile'), ('CN', 'China'), ('CX', 'Christmas Island'), ('CC', 'Cocos (Keeling) Islands'), ('CO', 'Colombia'), ('KM', 'Comoros'), ('CD', 'Congo (Dem. Rep.)'), ('CG', 'Congo (Rep.)'), ('CK', 'Cook Islands'), ('CR', 'Costa Rica'), ('HR', 'Croatia'), ('CU', 'Cuba'), ('CW', 'Cura\xe7ao'), ('CY', 'Cyprus'), ('CZ', 'Czech Republic'), ('CI', "C\xf4te d'Ivoire"), ('DK', 'Denmark'), ('DJ', 'Djibouti'), ('DM', 'Dominica'), ('DO', 'Dominican Republic'), ('TL', 'East Timor'), ('EC', 'Ecuador'), ('EG', 'Egypt'), ('SV', 'El Salvador'), ('GQ', 'Equatorial Guinea'), ('ER', 'Eritrea'), ('EE', 'Estonia'), ('SZ', 'Eswatini (Swaziland)'), ('ET', 'Ethiopia'), ('FK', 'Falkland Islands'), ('FO', 'Faroe Islands'), ('FJ', 'Fiji'), ('FI', 'Finland'), ('FR', 'France'), ('GF', 'French Guiana'), ('PF', 'French Polynesia'), ('TF', 'French Southern & Antarctic Lands'), ('GA', 'Gabon'), ('GM', 'Gambia'), ('GE', 'Georgia'), ('DE', 'Germany'), ('GH', 'Ghana'), ('GI', 'Gibraltar'), ('GR', 'Greece'), ('GL', 'Greenland'), ('GD', 'Grenada'), ('GP', 'Guadeloupe'), ('GU', 'Guam'), ('GT', 'Guatemala'), ('GG', 'Guernsey'), ('GN', 'Guinea'), ('GW', 'Guinea-Bissau'), ('GY', 'Guyana'), ('HT', 'Haiti'), ('HM', 'Heard Island & McDonald Islands'), ('HN', 'Honduras'), ('HK', 'Hong Kong'), ('HU', 'Hungary'), ('IS', 'Iceland'), ('IN', 'India'), ('ID', 'Indonesia'), ('IR', 'Iran'), ('IQ', 'Iraq'), ('IE', 'Ireland'), ('IM', 'Isle of Man'), ('IL', 'Israel'), ('IT', 'Italy'), ('JM', 'Jamaica'), ('JP', 'Japan'), ('JE', 'Jersey'), ('JO', 'Jordan'), ('KZ', 'Kazakhstan'), ('KE', 'Kenya'), ('KI', 'Kiribati'), ('KP', 'Korea (North)'), ('KR', 'Korea (South)'), ('KW', 'Kuwait'), ('KG', 'Kyrgyzstan'), ('LA', 'Laos'), ('LV', 'Latvia'), ('LB', 'Lebanon'), ('LS', 'Lesotho'), ('LR', 'Liberia'), ('LY', 'Libya'), ('LI', 'Liechtenstein'), ('LT', 'Lithuania'), ('LU', 'Luxembourg'), ('MO', 'Macau'), ('MG', 'Madagascar'), ('MW', 'Malawi'), ('MY', 'Malaysia'), ('MV', 'Maldives'), ('ML', 'Mali'), ('MT', 'Malta'), ('MH', 'Marshall Islands'), ('MQ', 'Martinique'), ('MR', 'Mauritania'), ('MU', 'Mauritius'), ('YT', 'Mayotte'), ('MX', 'Mexico'), ('FM', 'Micronesia'), ('MD', 'Moldova'), ('MC', 'Monaco'), ('MN', 'Mongolia'), ('ME', 'Montenegro'), ('MS', 'Montserrat'), ('MA', 'Morocco'), ('MZ', 'Mozambique'), ('MM', 'Myanmar (Burma)'), ('NA', 'Namibia'), ('NR', 'Nauru'), ('NP', 'Nepal'), ('NL', 'Netherlands'), ('NC', 'New Caledonia'), ('NZ', 'New Zealand'), ('NI', 'Nicaragua'), ('NE', 'Niger'), ('NG', 'Nigeria'), ('NU', 'Niue'), ('NF', 'Norfolk Island'), ('MK', 'North Macedonia'), ('MP', 'Northern Mariana Islands'), ('NO', 'Norway'), ('OM', 'Oman'), ('PK', 'Pakistan'), ('PW', 'Palau'), ('PS', 'Palestine'), ('PA', 'Panama'), ('PG', 'Papua New Guinea'), ('PY', 'Paraguay'), ('PE', 'Peru'), ('PH', 'Philippines'), ('PN', 'Pitcairn'), ('PL', 'Poland'), ('PT', 'Portugal'), ('PR', 'Puerto Rico'), ('QA', 'Qatar'), ('RO', 'Romania'), ('RU', 'Russia'), ('RW', 'Rwanda'), ('RE', 'R\xe9union'), ('AS', 'Samoa (American)'), ('WS', 'Samoa (western)'), ('SM', 'San Marino'), ('ST', 'Sao Tome & Principe'), ('SA', 'Saudi Arabia'), ('SN', 'Senegal'), ('RS', 'Serbia'), ('SC', 'Seychelles'), ('SL', 'Sierra Leone'), ('SG', 'Singapore'), ('SK', 'Slovakia'), ('SI', 'Slovenia'), ('SB', 'Solomon Islands'), ('SO', 'Somalia'), ('ZA', 'South Africa'), ('GS', 'South Georgia & the South Sandwich Islands'), ('SS', 'South Sudan'), ('ES', 'Spain'), ('LK', 'Sri Lanka'), ('BL', 'St Barthelemy'), ('SH', 'St Helena'), ('KN', 'St Kitts & Nevis'), ('LC', 'St Lucia'), ('SX', 'St Maarten (Dutch)'), ('MF', 'St Martin (French)'), ('PM', 'St Pierre & Miquelon'), ('VC', 'St Vincent'), ('SD', 'Sudan'), ('SR', 'Suriname'), ('SJ', 'Svalbard & Jan Mayen'), ('SE', 'Sweden'), ('CH', 'Switzerland'), ('SY', 'Syria'), ('TW', 'Taiwan'), ('TJ', 'Tajikistan'), ('TZ', 'Tanzania'), ('TH', 'Thailand'), ('TG', 'Togo'), ('TK', 'Tokelau'), ('TO', 'Tonga'), ('TT', 'Trinidad & Tobago'), ('TN', 'Tunisia'), ('TR', 'Turkey'), ('TM', 'Turkmenistan'), ('TC', 'Turks & Caicos Is'), ('TV', 'Tuvalu'), ('UM', 'US minor outlying islands'), ('UG', 'Uganda'), ('UA', 'Ukraine'), ('AE', 'United Arab Emirates'), ('US', 'United States'), ('UY', 'Uruguay'), ('UZ', 'Uzbekistan'), ('VU', 'Vanuatu'), ('VA', 'Vatican City'), ('VE', 'Venezuela'), ('VN', 'Vietnam'), ('VG', 'Virgin Islands (UK)'), ('VI', 'Virgin Islands (US)'), ('WF', 'Wallis & Futuna'), ('EH', 'Western Sahara'), ('YE', 'Yemen'), ('ZM', 'Zambia'), ('ZW', 'Zimbabwe'), ('AX', '\xc5land Islands')], max_length=2),
+            field=models.CharField(blank=True, choices=[('', ''), ('AF', 'Afghanistan'), ('AL', 'Albania'), ('DZ', 'Algeria'), ('AD', 'Andorra'), ('AO', 'Angola'), ('AI', 'Anguilla'), ('AQ', 'Antarctica'), ('AG', 'Antigua & Barbuda'), ('AR', 'Argentina'), ('AM', 'Armenia'), ('AW', 'Aruba'), ('AU', 'Australia'), ('AT', 'Austria'), ('AZ', 'Azerbaijan'), ('BS', 'Bahamas'), ('BH', 'Bahrain'), ('BD', 'Bangladesh'), ('BB', 'Barbados'), ('BY', 'Belarus'), ('BE', 'Belgium'), ('BZ', 'Belize'), ('BJ', 'Benin'), ('BM', 'Bermuda'), ('BT', 'Bhutan'), ('BO', 'Bolivia'), ('BA', 'Bosnia & Herzegovina'), ('BW', 'Botswana'), ('BV', 'Bouvet Island'), ('BR', 'Brazil'), ('GB', 'Britain (UK)'), ('IO', 'British Indian Ocean Territory'), ('BN', 'Brunei'), ('BG', 'Bulgaria'), ('BF', 'Burkina Faso'), ('BI', 'Burundi'), ('KH', 'Cambodia'), ('CM', 'Cameroon'), ('CA', 'Canada'), ('CV', 'Cape Verde'), ('BQ', 'Caribbean NL'), ('KY', 'Cayman Islands'), ('CF', 'Central African Rep.'), ('TD', 'Chad'), ('CL', 'Chile'), ('CN', 'China'), ('CX', 'Christmas Island'), ('CC', 'Cocos (Keeling) Islands'), ('CO', 'Colombia'), ('KM', 'Comoros'), ('CD', 'Congo (Dem. Rep.)'), ('CG', 'Congo (Rep.)'), ('CK', 'Cook Islands'), ('CR', 'Costa Rica'), ('HR', 'Croatia'), ('CU', 'Cuba'), ('CW', 'Cura\xe7ao'), ('CY', 'Cyprus'), ('CZ', 'Czech Republic'), ('CI', "C\xf4te d'Ivoire"), ('DK', 'Denmark'), ('DJ', 'Djibouti'), ('DM', 'Dominica'), ('DO', 'Dominican Republic'), ('TL', 'East Timor'), ('EC', 'Ecuador'), ('EG', 'Egypt'), ('SV', 'El Salvador'), ('GQ', 'Equatorial Guinea'), ('ER', 'Eritrea'), ('EE', 'Estonia'), ('SZ', 'Eswatini (Swaziland)'), ('ET', 'Ethiopia'), ('FK', 'Falkland Islands'), ('FO', 'Faroe Islands'), ('FJ', 'Fiji'), ('FI', 'Finland'), ('FR', 'France'), ('GF', 'French Guiana'), ('PF', 'French Polynesia'), ('TF', 'French Southern & Antarctic Lands'), ('GA', 'Gabon'), ('GM', 'Gambia'), ('GE', 'Georgia'), ('DE', 'Germany'), ('GH', 'Ghana'), ('GI', 'Gibraltar'), ('GR', 'Greece'), ('GL', 'Greenland'), ('GD', 'Grenada'), ('GP', 'Guadeloupe'), ('GU', 'Guam'), ('GT', 'Guatemala'), ('GG', 'Guernsey'), ('GN', 'Guinea'), ('GW', 'Guinea-Bissau'), ('GY', 'Guyana'), ('HT', 'Haiti'), ('HM', 'Heard Island & McDonald Islands'), ('HN', 'Honduras'), ('HK', 'Hong Kong'), ('HU', 'Hungary'), ('IS', 'Iceland'), ('IN', 'India'), ('ID', 'Indonesia'), ('IR', 'Iran'), ('IQ', 'Iraq'), ('IE', 'Ireland'), ('IM', 'Isle of Man'), ('IL', 'Israel'), ('IT', 'Italy'), ('JM', 'Jamaica'), ('JP', 'Japan'), ('JE', 'Jersey'), ('JO', 'Jordan'), ('KZ', 'Kazakhstan'), ('KE', 'Kenya'), ('KI', 'Kiribati'), ('KP', 'Korea (North)'), ('KR', 'Korea (South)'), ('KW', 'Kuwait'), ('KG', 'Kyrgyzstan'), ('LA', 'Laos'), ('LV', 'Latvia'), ('LB', 'Lebanon'), ('LS', 'Lesotho'), ('LR', 'Liberia'), ('LY', 'Libya'), ('LI', 'Liechtenstein'), ('LT', 'Lithuania'), ('LU', 'Luxembourg'), ('MO', 'Macau'), ('MG', 'Madagascar'), ('MW', 'Malawi'), ('MY', 'Malaysia'), ('MV', 'Maldives'), ('ML', 'Mali'), ('MT', 'Malta'), ('MH', 'Marshall Islands'), ('MQ', 'Martinique'), ('MR', 'Mauritania'), ('MU', 'Mauritius'), ('YT', 'Mayotte'), ('MX', 'Mexico'), ('FM', 'Micronesia'), ('MD', 'Moldova'), ('MC', 'Monaco'), ('MN', 'Mongolia'), ('ME', 'Montenegro'), ('MS', 'Montserrat'), ('MA', 'Morocco'), ('MZ', 'Mozambique'), ('MM', 'Myanmar (Burma)'), ('NA', 'Namibia'), ('NR', 'Nauru'), ('NP', 'Nepal'), ('NL', 'Netherlands'), ('NC', 'New Caledonia'), ('NZ', 'New Zealand'), ('NI', 'Nicaragua'), ('NE', 'Niger'), ('NG', 'Nigeria'), ('NU', 'Niue'), ('NF', 'Norfolk Island'), ('MK', 'North Macedonia'), ('MP', 'Northern Mariana Islands'), ('NO', 'Norway'), ('OM', 'Oman'), ('PK', 'Pakistan'), ('PW', 'Palau'), ('PS', 'Palestine'), ('PA', 'Panama'), ('PG', 'Papua New Guinea'), ('PY', 'Paraguay'), ('PE', 'Peru'), ('PH', 'Philippines'), ('PN', 'Pitcairn'), ('PL', 'Poland'), ('PT', 'Portugal'), ('PR', 'Puerto Rico'), ('QA', 'Qatar'), ('RO', 'Romania'), ('RU', 'Russia'), ('RW', 'Rwanda'), ('RE', 'R\xe9union'), ('AS', 'Samoa (American)'), ('WS', 'Samoa (western)'), ('SM', 'San Marino'), ('ST', 'Sao Tome & Principe'), ('SA', 'Saudi Arabia'), ('SN', 'Senegal'), ('RS', 'Serbia'), ('SC', 'Seychelles'), ('SL', 'Sierra Leone'), ('SG', 'Singapore'), ('SK', 'Slovakia'), ('SI', 'Slovenia'), ('SB', 'Solomon Islands'), ('SO', 'Somalia'), ('ZA', 'South Africa'), ('GS', 'South Georgia & the South Sandwich Islands'), ('SS', 'South Sudan'), ('ES', 'Spain'), ('LK', 'Sri Lanka'), ('BL', 'St Barthelemy'), ('SH', 'St Helena'), ('KN', 'St Kitts & Nevis'), ('LC', 'St Lucia'), ('SX', 'St Maarten (Dutch)'), ('MF', 'St Martin (French)'), ('PM', 'St Pierre & Miquelon'), ('VC', 'St Vincent'), ('SD', 'Sudan'), ('SR', 'Suriname'), ('SJ', 'Svalbard & Jan Mayen'), ('SE', 'Sweden'), ('CH', 'Switzerland'), ('SY', 'Syria'), ('TW', 'Taiwan'), ('TJ', 'Tajikistan'), ('TZ', 'Tanzania'), ('TH', 'Thailand'), ('TG', 'Togo'), ('TK', 'Tokelau'), ('TO', 'Tonga'), ('TT', 'Trinidad & Tobago'), ('TN', 'Tunisia'), ('TR', 'Turkey'), ('TM', 'Turkmenistan'), ('TC', 'Turks & Caicos Is'), ('TV', 'Tuvalu'), ('UM', 'US minor outlying islands'), ('UG', 'Uganda'), ('UA', 'Ukraine'), ('AE', 'United Arab Emirates'), ('US', 'United States'), ('UY', 'Uruguay'), ('UZ', 'Uzbekistan'), ('VU', 'Vanuatu'), ('VA', 'Vatican City'), ('VE', 'Venezuela'), ('VN', 'Vietnam'), ('VG', 'Virgin Islands (UK)'), ('VI', 'Virgin Islands (US)'), ('WF', 'Wallis & Futuna'), ('EH', 'Western Sahara'), ('YE', 'Yemen'), ('ZM', 'Zambia'), ('ZW', 'Zimbabwe'), ('AX', '\xc5land Islands')], max_length=2),
         ),
     ]
diff --git a/ietf/message/migrations/0001_initial.py b/ietf/message/migrations/0001_initial.py
index 9fe4ff38e..3fc073cbd 100644
--- a/ietf/message/migrations/0001_initial.py
+++ b/ietf/message/migrations/0001_initial.py
@@ -48,7 +48,7 @@ class Migration(migrations.Migration):
                 ('bcc', models.CharField(blank=True, max_length=255)),
                 ('reply_to', models.CharField(blank=True, max_length=255)),
                 ('body', models.TextField()),
-                ('content_type', models.CharField(blank=True, default=b'text/plain', max_length=255)),
+                ('content_type', models.CharField(blank=True, default='text/plain', max_length=255)),
                 ('msgid', models.CharField(blank=True, default=email.utils.make_msgid, max_length=255, null=True)),
                 ('by', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='person.Person')),
                 ('related_docs', models.ManyToManyField(blank=True, to='doc.Document')),
diff --git a/ietf/name/migrations/0001_initial.py b/ietf/name/migrations/0001_initial.py
index 72b30039f..e03b86a4a 100644
--- a/ietf/name/migrations/0001_initial.py
+++ b/ietf/name/migrations/0001_initial.py
@@ -41,7 +41,7 @@ class Migration(migrations.Migration):
                 ('desc', models.TextField(blank=True)),
                 ('used', models.BooleanField(default=True)),
                 ('order', models.IntegerField(default=0)),
-                ('penalty', models.IntegerField(default=0, help_text=b'The penalty for violating this kind of constraint; for instance 10 (small penalty) or 10000 (large penalty)')),
+                ('penalty', models.IntegerField(default=0, help_text='The penalty for violating this kind of constraint; for instance 10 (small penalty) or 10000 (large penalty)')),
             ],
             options={
                 'ordering': ['order', 'name'],
@@ -70,7 +70,7 @@ class Migration(migrations.Migration):
                 ('desc', models.TextField(blank=True)),
                 ('used', models.BooleanField(default=True)),
                 ('order', models.IntegerField(default=0)),
-                ('in_eu', models.BooleanField(default=False, verbose_name=b'In EU')),
+                ('in_eu', models.BooleanField(default=False, verbose_name='In EU')),
                 ('continent', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='name.ContinentName')),
             ],
             options={
@@ -143,7 +143,7 @@ class Migration(migrations.Migration):
                 ('desc', models.TextField(blank=True)),
                 ('used', models.BooleanField(default=True)),
                 ('order', models.IntegerField(default=0)),
-                ('prefix', models.CharField(default=b'', max_length=16)),
+                ('prefix', models.CharField(default='', max_length=16)),
             ],
             options={
                 'ordering': ['order', 'name'],
@@ -243,7 +243,7 @@ class Migration(migrations.Migration):
                 ('desc', models.TextField(blank=True)),
                 ('used', models.BooleanField(default=True)),
                 ('order', models.IntegerField(default=0)),
-                ('verbose_name', models.CharField(default=b'', max_length=255)),
+                ('verbose_name', models.CharField(default='', max_length=255)),
             ],
             options={
                 'ordering': ['order', 'name'],
diff --git a/ietf/nomcom/migrations/0001_initial.py b/ietf/nomcom/migrations/0001_initial.py
index 09bdebd6f..a2c41ff44 100644
--- a/ietf/nomcom/migrations/0001_initial.py
+++ b/ietf/nomcom/migrations/0001_initial.py
@@ -31,9 +31,9 @@ class Migration(migrations.Migration):
             name='Feedback',
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('author', models.EmailField(blank=True, max_length=254, verbose_name=b'Author')),
-                ('subject', models.TextField(blank=True, verbose_name=b'Subject')),
-                ('comments', ietf.nomcom.fields.EncryptedTextField(verbose_name=b'Comments')),
+                ('author', models.EmailField(blank=True, max_length=254, verbose_name='Author')),
+                ('subject', models.TextField(blank=True, verbose_name='Subject')),
+                ('comments', ietf.nomcom.fields.EncryptedTextField(verbose_name='Comments')),
                 ('time', models.DateTimeField(auto_now_add=True)),
             ],
             options={
@@ -52,10 +52,10 @@ class Migration(migrations.Migration):
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                 ('public_key', models.FileField(blank=True, null=True, storage=ietf.utils.storage.NoLocationMigrationFileSystemStorage(location=None), upload_to=ietf.nomcom.models.upload_path_handler)),
-                ('send_questionnaire', models.BooleanField(default=False, help_text=b'If you check this box, questionnaires are sent automatically after nominations.', verbose_name=b'Send questionnaires automatically')),
-                ('reminder_interval', models.PositiveIntegerField(blank=True, help_text=b'If the nomcom user sets the interval field then a cron command will send reminders to the nominees who have not responded using the following formula: (today - nomination_date) % interval == 0.', null=True)),
-                ('initial_text', models.TextField(blank=True, verbose_name=b'Help text for nomination form')),
-                ('show_nominee_pictures', models.BooleanField(default=True, help_text=b'Display pictures of each nominee (if available) on the feedback pages', verbose_name=b'Show nominee pictures')),
+                ('send_questionnaire', models.BooleanField(default=False, help_text='If you check this box, questionnaires are sent automatically after nominations.', verbose_name='Send questionnaires automatically')),
+                ('reminder_interval', models.PositiveIntegerField(blank=True, help_text='If the nomcom user sets the interval field then a cron command will send reminders to the nominees who have not responded using the following formula: (today - nomination_date) % interval == 0.', null=True)),
+                ('initial_text', models.TextField(blank=True, verbose_name='Help text for nomination form')),
+                ('show_nominee_pictures', models.BooleanField(default=True, help_text='Display pictures of each nominee (if available) on the feedback pages', verbose_name='Show nominee pictures')),
                 ('group', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='group.Group')),
             ],
             options={
@@ -67,12 +67,12 @@ class Migration(migrations.Migration):
             name='Nomination',
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('candidate_name', models.CharField(max_length=255, verbose_name=b'Candidate name')),
-                ('candidate_email', models.EmailField(max_length=255, verbose_name=b'Candidate email')),
-                ('candidate_phone', models.CharField(blank=True, max_length=255, verbose_name=b'Candidate phone')),
-                ('nominator_email', models.EmailField(blank=True, max_length=254, verbose_name=b'Nominator Email')),
+                ('candidate_name', models.CharField(max_length=255, verbose_name='Candidate name')),
+                ('candidate_email', models.EmailField(max_length=255, verbose_name='Candidate email')),
+                ('candidate_phone', models.CharField(blank=True, max_length=255, verbose_name='Candidate phone')),
+                ('nominator_email', models.EmailField(blank=True, max_length=254, verbose_name='Nominator Email')),
                 ('time', models.DateTimeField(auto_now_add=True)),
-                ('share_nominator', models.BooleanField(default=False, help_text=b'Check this box to allow the NomCom to let the person you are nominating know that you were one of the people who nominated them. If you do not check this box, your name will be confidential and known only within NomCom.', verbose_name=b'Share nominator name with candidate')),
+                ('share_nominator', models.BooleanField(default=False, help_text='Check this box to allow the NomCom to let the person you are nominating know that you were one of the people who nominated them. If you do not check this box, your name will be confidential and known only within NomCom.', verbose_name='Share nominator name with candidate')),
                 ('comments', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='nomcom.Feedback')),
             ],
             options={
@@ -109,10 +109,10 @@ class Migration(migrations.Migration):
             name='Position',
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('name', models.CharField(help_text=b'This short description will appear on the Nomination and Feedback pages. Be as descriptive as necessary. Past examples: "Transport AD", "IAB Member"', max_length=255, verbose_name=b'Name')),
-                ('is_open', models.BooleanField(default=False, help_text=b'Set is_open when the nomcom is working on a position. Clear it when an appointment is confirmed.', verbose_name=b'Is open')),
-                ('accepting_nominations', models.BooleanField(default=False, verbose_name=b'Is accepting nominations')),
-                ('accepting_feedback', models.BooleanField(default=False, verbose_name=b'Is accepting feedback')),
+                ('name', models.CharField(help_text='This short description will appear on the Nomination and Feedback pages. Be as descriptive as necessary. Past examples: "Transport AD", "IAB Member"', max_length=255, verbose_name='Name')),
+                ('is_open', models.BooleanField(default=False, help_text='Set is_open when the nomcom is working on a position. Clear it when an appointment is confirmed.', verbose_name='Is open')),
+                ('accepting_nominations', models.BooleanField(default=False, verbose_name='Is accepting nominations')),
+                ('accepting_feedback', models.BooleanField(default=False, verbose_name='Is accepting feedback')),
                 ('nomcom', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='nomcom.NomCom')),
                 ('questionnaire', ietf.utils.models.ForeignKey(editable=False, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='questionnaire', to='dbtemplate.DBTemplate')),
                 ('requirement', ietf.utils.models.ForeignKey(editable=False, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='requirement', to='dbtemplate.DBTemplate')),
@@ -133,8 +133,8 @@ class Migration(migrations.Migration):
             name='Topic',
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('subject', models.CharField(help_text=b'This short description will appear on the Feedback pages.', max_length=255, verbose_name=b'Name')),
-                ('accepting_feedback', models.BooleanField(default=False, verbose_name=b'Is accepting feedback')),
+                ('subject', models.CharField(help_text='This short description will appear on the Feedback pages.', max_length=255, verbose_name='Name')),
+                ('accepting_feedback', models.BooleanField(default=False, verbose_name='Is accepting feedback')),
                 ('audience', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='name.TopicAudienceName')),
                 ('description', ietf.utils.models.ForeignKey(editable=False, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='description', to='dbtemplate.DBTemplate')),
                 ('nomcom', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='nomcom.NomCom')),
diff --git a/ietf/nomcom/migrations/0003_nomcom_show_accepted_nominees.py b/ietf/nomcom/migrations/0003_nomcom_show_accepted_nominees.py
index 5076c70a8..df2b37105 100644
--- a/ietf/nomcom/migrations/0003_nomcom_show_accepted_nominees.py
+++ b/ietf/nomcom/migrations/0003_nomcom_show_accepted_nominees.py
@@ -18,6 +18,6 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='nomcom',
             name='show_accepted_nominees',
-            field=models.BooleanField(default=True, help_text=b'Show accepted nominees on the public nomination page', verbose_name=b'Show accepted nominees'),
+            field=models.BooleanField(default=True, help_text='Show accepted nominees on the public nomination page', verbose_name='Show accepted nominees'),
         ),
     ]
diff --git a/ietf/person/migrations/0001_initial.py b/ietf/person/migrations/0001_initial.py
index 66d405bbf..6e73eacbe 100644
--- a/ietf/person/migrations/0001_initial.py
+++ b/ietf/person/migrations/0001_initial.py
@@ -48,14 +48,14 @@ class Migration(migrations.Migration):
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                 ('time', models.DateTimeField(default=datetime.datetime.now)),
-                ('name', models.CharField(db_index=True, help_text=b'Preferred form of name.', max_length=255, verbose_name=b'Full Name (Unicode)')),
-                ('ascii', models.CharField(help_text=b'Name as rendered in ASCII (Latin, unaccented) characters.', max_length=255, verbose_name=b'Full Name (ASCII)')),
-                ('ascii_short', models.CharField(blank=True, help_text=b'Example: A. Nonymous.  Fill in this with initials and surname only if taking the initials and surname of the ASCII name above produces an incorrect initials-only form. (Blank is OK).', max_length=32, null=True, verbose_name=b'Abbreviated Name (ASCII)')),
-                ('affiliation', models.CharField(blank=True, help_text=b'Employer, university, sponsor, etc.', max_length=255)),
-                ('address', models.TextField(blank=True, help_text=b'Postal mailing address.', max_length=255)),
-                ('biography', models.TextField(blank=True, help_text=b'Short biography for use on leadership pages. Use plain text or reStructuredText markup.')),
-                ('photo', models.ImageField(blank=True, default=None, storage=ietf.utils.storage.NoLocationMigrationFileSystemStorage(location=None), upload_to=b'photo')),
-                ('photo_thumb', models.ImageField(blank=True, default=None, storage=ietf.utils.storage.NoLocationMigrationFileSystemStorage(location=None), upload_to=b'photo')),
+                ('name', models.CharField(db_index=True, help_text='Preferred form of name.', max_length=255, verbose_name='Full Name (Unicode)')),
+                ('ascii', models.CharField(help_text='Name as rendered in ASCII (Latin, unaccented) characters.', max_length=255, verbose_name='Full Name (ASCII)')),
+                ('ascii_short', models.CharField(blank=True, help_text='Example: A. Nonymous.  Fill in this with initials and surname only if taking the initials and surname of the ASCII name above produces an incorrect initials-only form. (Blank is OK).', max_length=32, null=True, verbose_name='Abbreviated Name (ASCII)')),
+                ('affiliation', models.CharField(blank=True, help_text='Employer, university, sponsor, etc.', max_length=255)),
+                ('address', models.TextField(blank=True, help_text='Postal mailing address.', max_length=255)),
+                ('biography', models.TextField(blank=True, help_text='Short biography for use on leadership pages. Use plain text or reStructuredText markup.')),
+                ('photo', models.ImageField(blank=True, default=None, storage=ietf.utils.storage.NoLocationMigrationFileSystemStorage(location=None), upload_to='photo')),
+                ('photo_thumb', models.ImageField(blank=True, default=None, storage=ietf.utils.storage.NoLocationMigrationFileSystemStorage(location=None), upload_to='photo')),
                 ('user', ietf.utils.models.OneToOneField(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
             ],
             options={
@@ -66,7 +66,7 @@ class Migration(migrations.Migration):
             name='PersonalApiKey',
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('endpoint', models.CharField(choices=[(b'/api/iesg/position', b'/api/iesg/position')], max_length=128)),
+                ('endpoint', models.CharField(choices=[('/api/iesg/position', '/api/iesg/position')], max_length=128)),
                 ('created', models.DateTimeField(default=datetime.datetime.now)),
                 ('valid', models.BooleanField(default=True)),
                 ('salt', models.BinaryField(default=ietf.person.models.salt, max_length=12)),
@@ -79,8 +79,8 @@ class Migration(migrations.Migration):
             name='PersonEvent',
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('time', models.DateTimeField(default=datetime.datetime.now, help_text=b'When the event happened')),
-                ('type', models.CharField(choices=[(b'apikey_login', b'API key login')], max_length=50)),
+                ('time', models.DateTimeField(default=datetime.datetime.now, help_text='When the event happened')),
+                ('type', models.CharField(choices=[('apikey_login', 'API key login')], max_length=50)),
                 ('desc', models.TextField()),
             ],
             options={
@@ -92,14 +92,14 @@ class Migration(migrations.Migration):
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                 ('time', models.DateTimeField(default=datetime.datetime.now)),
-                ('name', models.CharField(db_index=True, help_text=b'Preferred form of name.', max_length=255, verbose_name=b'Full Name (Unicode)')),
-                ('ascii', models.CharField(help_text=b'Name as rendered in ASCII (Latin, unaccented) characters.', max_length=255, verbose_name=b'Full Name (ASCII)')),
-                ('ascii_short', models.CharField(blank=True, help_text=b'Example: A. Nonymous.  Fill in this with initials and surname only if taking the initials and surname of the ASCII name above produces an incorrect initials-only form. (Blank is OK).', max_length=32, null=True, verbose_name=b'Abbreviated Name (ASCII)')),
-                ('affiliation', models.CharField(blank=True, help_text=b'Employer, university, sponsor, etc.', max_length=255)),
-                ('address', models.TextField(blank=True, help_text=b'Postal mailing address.', max_length=255)),
-                ('biography', models.TextField(blank=True, help_text=b'Short biography for use on leadership pages. Use plain text or reStructuredText markup.')),
-                ('photo', models.ImageField(blank=True, default=None, storage=ietf.utils.storage.NoLocationMigrationFileSystemStorage(location=None), upload_to=b'photo')),
-                ('photo_thumb', models.ImageField(blank=True, default=None, storage=ietf.utils.storage.NoLocationMigrationFileSystemStorage(location=None), upload_to=b'photo')),
+                ('name', models.CharField(db_index=True, help_text='Preferred form of name.', max_length=255, verbose_name='Full Name (Unicode)')),
+                ('ascii', models.CharField(help_text='Name as rendered in ASCII (Latin, unaccented) characters.', max_length=255, verbose_name='Full Name (ASCII)')),
+                ('ascii_short', models.CharField(blank=True, help_text='Example: A. Nonymous.  Fill in this with initials and surname only if taking the initials and surname of the ASCII name above produces an incorrect initials-only form. (Blank is OK).', max_length=32, null=True, verbose_name='Abbreviated Name (ASCII)')),
+                ('affiliation', models.CharField(blank=True, help_text='Employer, university, sponsor, etc.', max_length=255)),
+                ('address', models.TextField(blank=True, help_text='Postal mailing address.', max_length=255)),
+                ('biography', models.TextField(blank=True, help_text='Short biography for use on leadership pages. Use plain text or reStructuredText markup.')),
+                ('photo', models.ImageField(blank=True, default=None, storage=ietf.utils.storage.NoLocationMigrationFileSystemStorage(location=None), upload_to='photo')),
+                ('photo_thumb', models.ImageField(blank=True, default=None, storage=ietf.utils.storage.NoLocationMigrationFileSystemStorage(location=None), upload_to='photo')),
                 ('person', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='history_set', to='person.Person')),
                 ('user', ietf.utils.models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
             ],
diff --git a/ietf/person/migrations/0002_auto_20180330_0808.py b/ietf/person/migrations/0002_auto_20180330_0808.py
index 3c4d7c9ab..455389865 100644
--- a/ietf/person/migrations/0002_auto_20180330_0808.py
+++ b/ietf/person/migrations/0002_auto_20180330_0808.py
@@ -18,6 +18,6 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='personalapikey',
             name='endpoint',
-            field=models.CharField(choices=[(b'/api/iesg/position', b'/api/iesg/position'), (b'/api/meeting/session/video/url', b'/api/meeting/session/video/url')], max_length=128),
+            field=models.CharField(choices=[('/api/iesg/position', '/api/iesg/position'), ('/api/meeting/session/video/url', '/api/meeting/session/video/url')], max_length=128),
         ),
     ]
diff --git a/ietf/person/migrations/0003_auto_20180504_1519.py b/ietf/person/migrations/0003_auto_20180504_1519.py
index f24581584..b7e9cbd97 100644
--- a/ietf/person/migrations/0003_auto_20180504_1519.py
+++ b/ietf/person/migrations/0003_auto_20180504_1519.py
@@ -27,7 +27,7 @@ class Migration(migrations.Migration):
                 ('address', models.CharField(db_index=True, max_length=64, validators=[django.core.validators.EmailValidator()])),
                 ('time', models.DateTimeField(blank=True, editable=False)),
                 ('primary', models.BooleanField(default=False)),
-                ('origin', models.CharField(default=b'', editable=False, max_length=150)),
+                ('origin', models.CharField(default='', editable=False, max_length=150)),
                 ('active', models.BooleanField(default=True)),
                 ('history_id', models.AutoField(primary_key=True, serialize=False)),
                 ('history_date', models.DateTimeField()),
@@ -46,13 +46,13 @@ class Migration(migrations.Migration):
             fields=[
                 ('id', models.IntegerField(auto_created=True, blank=True, db_index=True, verbose_name='ID')),
                 ('time', models.DateTimeField(default=datetime.datetime.now)),
-                ('name', models.CharField(db_index=True, help_text=b'Preferred form of name.', max_length=255, verbose_name=b'Full Name (Unicode)')),
-                ('ascii', models.CharField(help_text=b'Name as rendered in ASCII (Latin, unaccented) characters.', max_length=255, verbose_name=b'Full Name (ASCII)')),
-                ('ascii_short', models.CharField(blank=True, help_text=b'Example: A. Nonymous.  Fill in this with initials and surname only if taking the initials and surname of the ASCII name above produces an incorrect initials-only form. (Blank is OK).', max_length=32, null=True, verbose_name=b'Abbreviated Name (ASCII)')),
-                ('biography', models.TextField(blank=True, help_text=b'Short biography for use on leadership pages. Use plain text or reStructuredText markup.')),
+                ('name', models.CharField(db_index=True, help_text='Preferred form of name.', max_length=255, verbose_name='Full Name (Unicode)')),
+                ('ascii', models.CharField(help_text='Name as rendered in ASCII (Latin, unaccented) characters.', max_length=255, verbose_name='Full Name (ASCII)')),
+                ('ascii_short', models.CharField(blank=True, help_text='Example: A. Nonymous.  Fill in this with initials and surname only if taking the initials and surname of the ASCII name above produces an incorrect initials-only form. (Blank is OK).', max_length=32, null=True, verbose_name='Abbreviated Name (ASCII)')),
+                ('biography', models.TextField(blank=True, help_text='Short biography for use on leadership pages. Use plain text or reStructuredText markup.')),
                 ('photo', models.TextField(blank=True, default=None, max_length=100)),
                 ('photo_thumb', models.TextField(blank=True, default=None, max_length=100)),
-                ('name_from_draft', models.CharField(editable=False, help_text=b'Name as found in a draft submission.', max_length=255, null=True, verbose_name=b'Full Name (from submission)')),
+                ('name_from_draft', models.CharField(editable=False, help_text='Name as found in a draft submission.', max_length=255, null=True, verbose_name='Full Name (from submission)')),
                 ('history_id', models.AutoField(primary_key=True, serialize=False)),
                 ('history_date', models.DateTimeField()),
                 ('history_change_reason', models.CharField(max_length=100, null=True)),
@@ -85,12 +85,12 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='email',
             name='origin',
-            field=models.CharField(default=b'', editable=False, max_length=150),
+            field=models.CharField(default='', editable=False, max_length=150),
         ),
         migrations.AddField(
             model_name='person',
             name='name_from_draft',
-            field=models.CharField(editable=False, help_text=b'Name as found in a draft submission.', max_length=255, null=True, verbose_name=b'Full Name (from submission)'),
+            field=models.CharField(editable=False, help_text='Name as found in a draft submission.', max_length=255, null=True, verbose_name='Full Name (from submission)'),
         ),
         migrations.DeleteModel(
             name='PersonHistory',
@@ -103,11 +103,11 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='historicalperson',
             name='consent',
-            field=models.NullBooleanField(default=None, verbose_name=b'I hereby give my consent to the use of the personal details I have provided (photo, bio, name, email) within the IETF Datatracker'),
+            field=models.NullBooleanField(default=None, verbose_name='I hereby give my consent to the use of the personal details I have provided (photo, bio, name, email) within the IETF Datatracker'),
         ),
         migrations.AddField(
             model_name='person',
             name='consent',
-            field=models.NullBooleanField(default=None, verbose_name=b'I hereby give my consent to the use of the personal details I have provided (photo, bio, name, email) within the IETF Datatracker'),
+            field=models.NullBooleanField(default=None, verbose_name='I hereby give my consent to the use of the personal details I have provided (photo, bio, name, email) within the IETF Datatracker'),
         ),
     ]
diff --git a/ietf/person/migrations/0007_auto_20180929_1303.py b/ietf/person/migrations/0007_auto_20180929_1303.py
index 310691e6d..4c83b5177 100644
--- a/ietf/person/migrations/0007_auto_20180929_1303.py
+++ b/ietf/person/migrations/0007_auto_20180929_1303.py
@@ -18,6 +18,6 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='personevent',
             name='type',
-            field=models.CharField(choices=[(b'apikey_login', b'API key login'), (b'gdpr_notice_email', b'GDPR consent request email sent'), (b'email_address_deactivated', b'Email address deactivated')], max_length=50),
+            field=models.CharField(choices=[('apikey_login', 'API key login'), ('gdpr_notice_email', 'GDPR consent request email sent'), ('email_address_deactivated', 'Email address deactivated')], max_length=50),
         ),
     ]
diff --git a/ietf/person/migrations/0008_auto_20181014_1448.py b/ietf/person/migrations/0008_auto_20181014_1448.py
index a7cee4884..9712919af 100644
--- a/ietf/person/migrations/0008_auto_20181014_1448.py
+++ b/ietf/person/migrations/0008_auto_20181014_1448.py
@@ -18,6 +18,6 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='personalapikey',
             name='endpoint',
-            field=models.CharField(choices=[(b'/api/iesg/position', b'/api/iesg/position'), (b'/api/v2/person/person', b'/api/v2/person/person'), (b'/api/meeting/session/video/url', b'/api/meeting/session/video/url')], max_length=128),
+            field=models.CharField(choices=[('/api/iesg/position', '/api/iesg/position'), ('/api/v2/person/person', '/api/v2/person/person'), ('/api/meeting/session/video/url', '/api/meeting/session/video/url')], max_length=128),
         ),
     ]
diff --git a/ietf/person/migrations/0009_auto_20190118_0725.py b/ietf/person/migrations/0009_auto_20190118_0725.py
index d96edbe59..3ceb958b9 100644
--- a/ietf/person/migrations/0009_auto_20190118_0725.py
+++ b/ietf/person/migrations/0009_auto_20190118_0725.py
@@ -18,11 +18,11 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='email',
             name='origin',
-            field=models.CharField(help_text=b"The origin of the address: the user's email address, or 'author: DRAFTNAME' if a draft, or 'role: GROUP/ROLE' if a role.", max_length=150),
+            field=models.CharField(help_text="The origin of the address: the user's email address, or 'author: DRAFTNAME' if a draft, or 'role: GROUP/ROLE' if a role.", max_length=150),
         ),
         migrations.AlterField(
             model_name='historicalemail',
             name='origin',
-            field=models.CharField(help_text=b"The origin of the address: the user's email address, or 'author: DRAFTNAME' if a draft, or 'role: GROUP/ROLE' if a role.", max_length=150),
+            field=models.CharField(help_text="The origin of the address: the user's email address, or 'author: DRAFTNAME' if a draft, or 'role: GROUP/ROLE' if a role.", max_length=150),
         ),
     ]
diff --git a/ietf/review/migrations/0001_initial.py b/ietf/review/migrations/0001_initial.py
index a57ead202..8b6f8d861 100644
--- a/ietf/review/migrations/0001_initial.py
+++ b/ietf/review/migrations/0001_initial.py
@@ -41,11 +41,11 @@ class Migration(migrations.Migration):
             name='ReviewerSettings',
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('min_interval', models.IntegerField(blank=True, choices=[(7, b'Once per week'), (14, b'Once per fortnight'), (30, b'Once per month'), (61, b'Once per two months'), (91, b'Once per quarter')], null=True, verbose_name=b'Can review at most')),
-                ('filter_re', models.CharField(blank=True, help_text=b'Draft names matching this regular expression should not be assigned', max_length=255, validators=[ietf.utils.validators.RegexStringValidator()], verbose_name=b'Filter regexp')),
-                ('skip_next', models.IntegerField(default=0, verbose_name=b'Skip next assignments')),
-                ('remind_days_before_deadline', models.IntegerField(blank=True, help_text=b"To get an email reminder in case you forget to do an assigned review, enter the number of days before review deadline you want to receive it. Clear the field if you don't want a reminder.", null=True)),
-                ('expertise', models.TextField(blank=True, default=b'', help_text=b"Describe the reviewer's expertise in this team's area", max_length=2048, verbose_name=b"Reviewer's expertise in this team's area")),
+                ('min_interval', models.IntegerField(blank=True, choices=[(7, 'Once per week'), (14, 'Once per fortnight'), (30, 'Once per month'), (61, 'Once per two months'), (91, 'Once per quarter')], null=True, verbose_name='Can review at most')),
+                ('filter_re', models.CharField(blank=True, help_text='Draft names matching this regular expression should not be assigned', max_length=255, validators=[ietf.utils.validators.RegexStringValidator()], verbose_name='Filter regexp')),
+                ('skip_next', models.IntegerField(default=0, verbose_name='Skip next assignments')),
+                ('remind_days_before_deadline', models.IntegerField(blank=True, help_text="To get an email reminder in case you forget to do an assigned review, enter the number of days before review deadline you want to receive it. Clear the field if you don't want a reminder.", null=True)),
+                ('expertise', models.TextField(blank=True, default='', help_text="Describe the reviewer's expertise in this team's area", max_length=2048, verbose_name="Reviewer's expertise in this team's area")),
                 ('person', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='person.Person')),
                 ('team', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='group.Group')),
             ],
@@ -57,12 +57,12 @@ class Migration(migrations.Migration):
             name='ReviewRequest',
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('old_id', models.IntegerField(blank=True, help_text=b'ID in previous review system', null=True)),
+                ('old_id', models.IntegerField(blank=True, help_text='ID in previous review system', null=True)),
                 ('time', models.DateTimeField(default=datetime.datetime.now)),
                 ('deadline', models.DateField()),
-                ('requested_rev', models.CharField(blank=True, help_text=b'Fill in if a specific revision is to be reviewed, e.g. 02', max_length=16, verbose_name=b'requested revision')),
-                ('comment', models.TextField(blank=True, default=b'', help_text=b'Provide any additional information to show to the review team secretary and reviewer', max_length=2048, verbose_name=b"Requester's comments and instructions")),
-                ('reviewed_rev', models.CharField(blank=True, max_length=16, verbose_name=b'reviewed revision')),
+                ('requested_rev', models.CharField(blank=True, help_text='Fill in if a specific revision is to be reviewed, e.g. 02', max_length=16, verbose_name='requested revision')),
+                ('comment', models.TextField(blank=True, default='', help_text='Provide any additional information to show to the review team secretary and reviewer', max_length=2048, verbose_name="Requester's comments and instructions")),
+                ('reviewed_rev', models.CharField(blank=True, max_length=16, verbose_name='reviewed revision')),
                 ('doc', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='reviewrequest_set', to='doc.Document')),
                 ('requested_by', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='person.Person')),
                 ('result', ietf.utils.models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='name.ReviewResultName')),
@@ -77,7 +77,7 @@ class Migration(migrations.Migration):
             name='ReviewSecretarySettings',
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('remind_days_before_deadline', models.IntegerField(blank=True, help_text=b"To get an email reminder in case a reviewer forgets to do an assigned review, enter the number of days before review deadline you want to receive it. Clear the field if you don't want a reminder.", null=True)),
+                ('remind_days_before_deadline', models.IntegerField(blank=True, help_text="To get an email reminder in case a reviewer forgets to do an assigned review, enter the number of days before review deadline you want to receive it. Clear the field if you don't want a reminder.", null=True)),
                 ('person', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='person.Person')),
                 ('team', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='group.Group')),
             ],
@@ -89,7 +89,7 @@ class Migration(migrations.Migration):
             name='ReviewTeamSettings',
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('autosuggest', models.BooleanField(default=True, verbose_name=b'Automatically suggest possible review requests')),
+                ('autosuggest', models.BooleanField(default=True, verbose_name='Automatically suggest possible review requests')),
                 ('group', ietf.utils.models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, to='group.Group')),
                 ('review_results', models.ManyToManyField(default=ietf.review.models.get_default_review_results, to='name.ReviewResultName')),
                 ('review_types', models.ManyToManyField(default=ietf.review.models.get_default_review_types, to='name.ReviewTypeName')),
@@ -116,9 +116,9 @@ class Migration(migrations.Migration):
             name='UnavailablePeriod',
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('start_date', models.DateField(default=datetime.date.today, help_text=b"Choose the start date so that you can still do a review if it's assigned just before the start date - this usually means you should mark yourself unavailable for assignment some time before you are actually away.", null=True)),
-                ('end_date', models.DateField(blank=True, help_text=b'Leaving the end date blank means that the period continues indefinitely. You can end it later.', null=True)),
-                ('availability', models.CharField(choices=[(b'canfinish', b'Can do follow-ups'), (b'unavailable', b'Completely unavailable')], max_length=30)),
+                ('start_date', models.DateField(default=datetime.date.today, help_text="Choose the start date so that you can still do a review if it's assigned just before the start date - this usually means you should mark yourself unavailable for assignment some time before you are actually away.", null=True)),
+                ('end_date', models.DateField(blank=True, help_text='Leaving the end date blank means that the period continues indefinitely. You can end it later.', null=True)),
+                ('availability', models.CharField(choices=[('canfinish', 'Can do follow-ups'), ('unavailable', 'Completely unavailable')], max_length=30)),
                 ('person', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='person.Person')),
                 ('team', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='group.Group')),
             ],
diff --git a/ietf/review/migrations/0002_unavailableperiod_reason.py b/ietf/review/migrations/0002_unavailableperiod_reason.py
index 6a2754388..8e6dc8d98 100644
--- a/ietf/review/migrations/0002_unavailableperiod_reason.py
+++ b/ietf/review/migrations/0002_unavailableperiod_reason.py
@@ -18,6 +18,6 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='unavailableperiod',
             name='reason',
-            field=models.TextField(blank=True, default=b'', help_text=b"Provide (for the secretary's benefit) the reason why the review is unavailable", max_length=2048, verbose_name=b'Reason why reviewer is unavailable (Optional)'),
+            field=models.TextField(blank=True, default='', help_text="Provide (for the secretary's benefit) the reason why the review is unavailable", max_length=2048, verbose_name='Reason why reviewer is unavailable (Optional)'),
         ),
     ]
diff --git a/ietf/review/migrations/0004_reviewteamsettings_secr_mail_alias.py b/ietf/review/migrations/0004_reviewteamsettings_secr_mail_alias.py
index 91fbcf94a..535f776d1 100644
--- a/ietf/review/migrations/0004_reviewteamsettings_secr_mail_alias.py
+++ b/ietf/review/migrations/0004_reviewteamsettings_secr_mail_alias.py
@@ -18,6 +18,6 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='reviewteamsettings',
             name='secr_mail_alias',
-            field=models.CharField(blank=True, help_text=b'Email alias for all of the review team secretaries', max_length=255, verbose_name=b'Email alias for all of the review team secretaries'),
+            field=models.CharField(blank=True, help_text='Email alias for all of the review team secretaries', max_length=255, verbose_name='Email alias for all of the review team secretaries'),
         ),
     ]
diff --git a/ietf/review/migrations/0006_historicalreviewersettings.py b/ietf/review/migrations/0006_historicalreviewersettings.py
index 0f9bc75d8..33f330cf9 100644
--- a/ietf/review/migrations/0006_historicalreviewersettings.py
+++ b/ietf/review/migrations/0006_historicalreviewersettings.py
@@ -27,11 +27,11 @@ class Migration(migrations.Migration):
             name='HistoricalReviewerSettings',
             fields=[
                 ('id', models.IntegerField(auto_created=True, blank=True, db_index=True, verbose_name='ID')),
-                ('min_interval', models.IntegerField(blank=True, choices=[(7, b'Once per week'), (14, b'Once per fortnight'), (30, b'Once per month'), (61, b'Once per two months'), (91, b'Once per quarter')], null=True, verbose_name=b'Can review at most')),
-                ('filter_re', models.CharField(blank=True, help_text=b'Draft names matching this regular expression should not be assigned', max_length=255, validators=[ietf.utils.validators.RegexStringValidator()], verbose_name=b'Filter regexp')),
-                ('skip_next', models.IntegerField(default=0, verbose_name=b'Skip next assignments')),
-                ('remind_days_before_deadline', models.IntegerField(blank=True, help_text=b"To get an email reminder in case you forget to do an assigned review, enter the number of days before review deadline you want to receive it. Clear the field if you don't want a reminder.", null=True)),
-                ('expertise', models.TextField(blank=True, default=b'', help_text=b"Describe the reviewer's expertise in this team's area", max_length=2048, verbose_name=b"Reviewer's expertise in this team's area")),
+                ('min_interval', models.IntegerField(blank=True, choices=[(7, 'Once per week'), (14, 'Once per fortnight'), (30, 'Once per month'), (61, 'Once per two months'), (91, 'Once per quarter')], null=True, verbose_name='Can review at most')),
+                ('filter_re', models.CharField(blank=True, help_text='Draft names matching this regular expression should not be assigned', max_length=255, validators=[ietf.utils.validators.RegexStringValidator()], verbose_name='Filter regexp')),
+                ('skip_next', models.IntegerField(default=0, verbose_name='Skip next assignments')),
+                ('remind_days_before_deadline', models.IntegerField(blank=True, help_text="To get an email reminder in case you forget to do an assigned review, enter the number of days before review deadline you want to receive it. Clear the field if you don't want a reminder.", null=True)),
+                ('expertise', models.TextField(blank=True, default='', help_text="Describe the reviewer's expertise in this team's area", max_length=2048, verbose_name="Reviewer's expertise in this team's area")),
                 ('history_id', models.AutoField(primary_key=True, serialize=False)),
                 ('history_change_reason', models.CharField(max_length=100, null=True)),
                 ('history_date', models.DateTimeField()),
diff --git a/ietf/review/migrations/0009_refactor_review_request.py b/ietf/review/migrations/0009_refactor_review_request.py
index 78638239d..87eaba0a7 100644
--- a/ietf/review/migrations/0009_refactor_review_request.py
+++ b/ietf/review/migrations/0009_refactor_review_request.py
@@ -26,7 +26,7 @@ class Migration(migrations.Migration):
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                 ('assigned_on', models.DateTimeField(blank=True, null=True)),
                 ('completed_on', models.DateTimeField(blank=True, null=True)),
-                ('reviewed_rev', models.CharField(blank=True, max_length=16, verbose_name=b'reviewed revision')),
+                ('reviewed_rev', models.CharField(blank=True, max_length=16, verbose_name='reviewed revision')),
                 ('mailarch_url', models.URLField(blank=True, null=True)),
                 ('result', ietf.utils.models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='name.ReviewResultName')),
                 ('review', ietf.utils.models.OneToOneField(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='doc.Document')),
diff --git a/ietf/stats/migrations/0001_initial.py b/ietf/stats/migrations/0001_initial.py
index cc96985e8..33d48edbe 100644
--- a/ietf/stats/migrations/0001_initial.py
+++ b/ietf/stats/migrations/0001_initial.py
@@ -25,7 +25,7 @@ class Migration(migrations.Migration):
             name='AffiliationAlias',
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('alias', models.CharField(help_text=b'Note that aliases will be matched case-insensitive and both before and after some clean-up.', max_length=255, unique=True)),
+                ('alias', models.CharField(help_text='Note that aliases will be matched case-insensitive and both before and after some clean-up.', max_length=255, unique=True)),
                 ('name', models.CharField(max_length=255)),
             ],
             options={
@@ -36,14 +36,14 @@ class Migration(migrations.Migration):
             name='AffiliationIgnoredEnding',
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('ending', models.CharField(help_text=b"Regexp with ending, e.g. 'Inc\\.?' - remember to escape .!", max_length=255)),
+                ('ending', models.CharField(help_text="Regexp with ending, e.g. 'Inc\\.?' - remember to escape .!", max_length=255)),
             ],
         ),
         migrations.CreateModel(
             name='CountryAlias',
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('alias', models.CharField(help_text=b"Note that lower-case aliases are matched case-insensitive while aliases with at least one uppercase letter is matched case-sensitive. So 'United States' is best entered as 'united states' so it both matches 'United States' and 'United states' and 'UNITED STATES', whereas 'US' is best entered as 'US' so it doesn't accidentally match an ordinary word like 'us'.", max_length=255)),
+                ('alias', models.CharField(help_text="Note that lower-case aliases are matched case-insensitive while aliases with at least one uppercase letter is matched case-sensitive. So 'United States' is best entered as 'united states' so it both matches 'United States' and 'United states' and 'UNITED STATES', whereas 'US' is best entered as 'US' so it doesn't accidentally match an ordinary word like 'us'.", max_length=255)),
                 ('country', ietf.utils.models.ForeignKey(max_length=255, on_delete=django.db.models.deletion.CASCADE, to='name.CountryName')),
             ],
             options={
diff --git a/ietf/submit/migrations/0001_initial.py b/ietf/submit/migrations/0001_initial.py
index a7b039aa5..79d5fc3db 100644
--- a/ietf/submit/migrations/0001_initial.py
+++ b/ietf/submit/migrations/0001_initial.py
@@ -48,7 +48,7 @@ class Migration(migrations.Migration):
                 ('rev', models.CharField(blank=True, max_length=3)),
                 ('pages', models.IntegerField(blank=True, null=True)),
                 ('words', models.IntegerField(blank=True, null=True)),
-                ('authors', jsonfield.fields.JSONField(default=list, help_text=b'List of authors with name, email, affiliation and country.')),
+                ('authors', jsonfield.fields.JSONField(default=list, help_text='List of authors with name, email, affiliation and country.')),
                 ('note', models.TextField(blank=True)),
                 ('replaces', models.CharField(blank=True, max_length=1000)),
                 ('first_two_pages', models.TextField(blank=True)),
@@ -56,9 +56,9 @@ class Migration(migrations.Migration):
                 ('file_size', models.IntegerField(blank=True, null=True)),
                 ('document_date', models.DateField(blank=True, null=True)),
                 ('submission_date', models.DateField(default=datetime.date.today)),
-                ('submitter', models.CharField(blank=True, help_text=b'Name and email of submitter, e.g. "John Doe <john@example.org>".', max_length=255)),
+                ('submitter', models.CharField(blank=True, help_text='Name and email of submitter, e.g. "John Doe <john@example.org>".', max_length=255)),
                 ('draft', ietf.utils.models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='doc.Document')),
-                ('formal_languages', models.ManyToManyField(blank=True, help_text=b'Formal languages used in document', to='name.FormalLanguageName')),
+                ('formal_languages', models.ManyToManyField(blank=True, help_text='Formal languages used in document', to='name.FormalLanguageName')),
                 ('group', ietf.utils.models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='group.Group')),
                 ('state', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='name.DraftSubmissionStateName')),
             ],
@@ -73,8 +73,8 @@ class Migration(migrations.Migration):
                 ('message', models.TextField(blank=True, null=True)),
                 ('errors', models.IntegerField(blank=True, default=None, null=True)),
                 ('warnings', models.IntegerField(blank=True, default=None, null=True)),
-                ('items', jsonfield.fields.JSONField(blank=True, default=b'{}', null=True)),
-                ('symbol', models.CharField(default=b'', max_length=64)),
+                ('items', jsonfield.fields.JSONField(blank=True, default='{}', null=True)),
+                ('symbol', models.CharField(default='', max_length=64)),
                 ('submission', ietf.utils.models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='checks', to='submit.Submission')),
             ],
         ),
diff --git a/ietf/submit/migrations/0002_submission_document2_fk.py b/ietf/submit/migrations/0002_submission_document2_fk.py
index debd1d52c..27d9daa7f 100644
--- a/ietf/submit/migrations/0002_submission_document2_fk.py
+++ b/ietf/submit/migrations/0002_submission_document2_fk.py
@@ -21,11 +21,11 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='submission',
             name='draft2',
-            field=ietf.utils.models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='doc.Document', to_field=b'id'),
+            field=ietf.utils.models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='doc.Document', to_field='id'),
         ),
         migrations.AlterField(
             model_name='submission',
             name='draft',
-            field=ietf.utils.models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='old_submission', to='doc.Document', to_field=b'name'),
+            field=ietf.utils.models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='old_submission', to='doc.Document', to_field='name'),
         ),
     ]
diff --git a/ietf/utils/migrations/0001_initial.py b/ietf/utils/migrations/0001_initial.py
index d9f9002e4..1566c5a61 100644
--- a/ietf/utils/migrations/0001_initial.py
+++ b/ietf/utils/migrations/0001_initial.py
@@ -22,7 +22,7 @@ class Migration(migrations.Migration):
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                 ('date', models.DateTimeField()),
                 ('host', models.CharField(max_length=128)),
-                ('tz', models.CharField(default=b'UTC', max_length=32)),
+                ('tz', models.CharField(default='UTC', max_length=32)),
             ],
         ),
         migrations.CreateModel(