Fixed -- Optimized StateApps.clone().
@@ -680,10 +680,13 @@ class StateApps(Apps):
"""Return a clone of this registry."""
clone = StateApps([], {})
clone.all_models = copy.deepcopy(self.all_models)
- clone.app_configs = copy.deepcopy(self.app_configs)
- # Set the pointer to the correct app registry.
- for app_config in clone.app_configs.values():
+
+ for app_label in self.app_configs:
+ app_config = AppConfigStub(app_label)
app_config.apps = clone
+ app_config.import_models()
+ clone.app_configs[app_label] = app_config
+
# No need to actually clone them, they'll never change
clone.real_models = self.real_models
return clone
