Ticket #15857: contenttypes_auth.diff

django/contrib/contenttypes/tests.py

@@ -59 +59 @@
             "SERVER_PORT": "80",
         }
         from django.contrib.auth.models import User
+        if not User._meta.installed: return
         user_ct = ContentType.objects.get_for_model(User)
         obj = User.objects.create(username="john")