trying to override django-compressor's deps

pkgs/e11sync-backend.nix

@@ -15,15 +15,16 @@
 stdenv.mkDerivation {
   name = "e11sync";
   propagatedBuildInputs = let
-    python = python3.withPackages (ps:
+    pythonEnv = python3.withPackages (ps:
       with ps; [
         django_5
         django-compressor.override
         {django = django_5;}
+        #{django-appconf = django-appconf.override {django = django_5;};}
         geoip2
       ]);
   in [
-    python
+    pythonEnv
     libmaxminddb
   ];
   nativeBuildInputs = [makeWrapper];