In announcement tool, remove Reply-To default of

"ietf@ietf.org" and make field required.
 - Legacy-Id: 19155

ietf/secr/announcement/forms.py

@@ -92,6 +92,7 @@ class AnnounceForm(forms.ModelForm):
         self.fields['cc'].help_text = 'Use comma separated lists for emails (Cc, Bcc, Reply To)'
         self.fields['frm'].widget = forms.Select(choices=get_from_choices(user))
         self.fields['frm'].label = 'From'
+        self.fields['reply_to'].required = True
         self.fields['nomcom'].label = 'NomCom message:'
         nomcom_roles = person.role_set.filter(group__in=self.fields['nomcom'].queryset,name='chair')
         secr_roles = person.role_set.filter(group__acronym='secretariat',name='secr')
@@ -99,7 +100,6 @@ class AnnounceForm(forms.ModelForm):
             self.initial['nomcom'] = nomcom_roles[0].group.pk
         if not nomcom_roles and not secr_roles:
             self.fields['nomcom'].widget = forms.HiddenInput()
-        self.initial['reply_to'] = 'ietf@ietf.org'
         
         if self.hidden:
             for key in list(self.fields.keys()):

ietf/secr/announcement/tests.py

@@ -96,6 +96,7 @@ class SubmitAnnouncementCase(TestCase):
                      'to':'Other...',
                      'to_custom':'rcross@amsl.com',
                      'frm':'IETF Secretariat <ietf-secretariat@ietf.org>',
+                     'reply_to':'secretariat@ietf.org',
                      'subject':'Test Subject',
                      'body':'This is a test.'}
         self.client.login(username="secretary", password="secretary+password")