Use django 4

shell.nix

@@ -1,12 +1,19 @@
 { pkgs ? import ./nix {} }:
+let
+  python = pkgs.python310.override {
+    packageOverrides = self: super: {
+      django = super.django_4;
+    };
+  };
+in
 pkgs.mkShell {
   buildInputs = [
-    (pkgs.python310.withPackages (ps: [
+    (python.withPackages (ps: [
       ps.django
       ps.black
       ps.isort
       ps.djangorestframework
-      ps.django-extensions
+      # (ps.django-extensions.override { inherit django; })
       # ps.django-compressor
     ]))
   ];