Ticket #3905: core_management_py.patch

management.py

@@ -557 +557 @@
     # Install custom SQL for the app (but only if this
     # is a model we've just created)
     for app in models.get_apps():
+        app_name = app.__name__.split('.')[-2]
         for model in models.get_models(app):
             if model in created_models:
                 custom_sql = get_custom_sql_for_model(model)