Always pass models in post_syncdb signals as a set (not as a list

sometimes).

Fixed #5848, thanks to PJCrosier.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@13768 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/core/management/commands/flush.py

@@ -72,7 +72,7 @@ The full error: %s""" % (connection.settings_dict['NAME'], e))
                     m for m in models.get_models(app, include_auto_created=True)
                     if router.allow_syncdb(db, m)
                 ])
-            emit_post_sync_signal(all_models, verbosity, interactive, db)
+            emit_post_sync_signal(set(all_models), verbosity, interactive, db)
 
             # Reinstall the initial_data fixture.
             kwargs = options.copy()