Merged in [9097] from rcross@amsl.com:

Fixes #1605.  Editing session request causes KeyError.
 - Legacy-Id: 9120
Note: SVN reference [9097] has been migrated to Git commit a660c433bb

ietf/meeting/helpers.py

@@ -168,13 +168,14 @@ def agenda_permissions(meeting, schedule, user):
 
     return cansee, canedit, secretariat
 
-def session_constraint_expire(session):
+def session_constraint_expire(request,session):
     from django.core.urlresolvers import reverse
     from ajax import session_constraints
     path = reverse(session_constraints, args=[session.meeting.number, session.pk])
-    request = HttpRequest()
-    request.path = path
-    key = get_cache_key(request)
+    temp_request = HttpRequest()
+    temp_request.path = path
+    temp_request.META['HTTP_HOST'] = request.META['HTTP_HOST']
+    key = get_cache_key(temp_request)
     if key is not None and cache.has_key(key):
         cache.delete(key)
 

ietf/secr/sreq/views.py

@@ -448,7 +448,7 @@ def edit_mtg(request, num, acronym):
 
             # nuke any cache that might be lingering around.
             from ietf.meeting.helpers import session_constraint_expire
-            session_constraint_expire(session)
+            session_constraint_expire(request,session)
 
             messages.success(request, 'Session Request updated')
             return redirect('sessions_view', acronym=acronym)