fix get_app_list

fet2020/core/admin.py

@@ -37,13 +37,13 @@ class CustomFlatPageAdmin(FlatPageAdmin):
 
 
 # Set the ordering of models in Admin Dashboard
-def get_app_list(self, request):
+def get_app_list(self, request, app_label=None):
     """
     Return a sorted list of all the installed apps that have been
     registered in this site.
     """
     # Retrieve the original list
-    app_dict = self._build_app_dict(request)
+    app_dict = self._build_app_dict(request, app_label)
     app_list = sorted(app_dict.values(), key=lambda x: x["name"].lower())
 
     # Sort the models customably within each app.