Merge pull request #11 from Openmesh-Network/fix/jupyter

fix jupyter user group

nixos/modules/services/development/jupyter/default.nix

@@ -188,7 +188,7 @@ in {
     })
     (mkIf (cfg.enable && (cfg.user == "jupyter")) {
       users.extraUsers.jupyter = {
-        extraGroups = [ cfg.group ];
+        group = [ cfg.group ]; # Required since a user's group attribute cannot be unset as this is unsafe.
         home = "/var/lib/jupyter";
         createHome = true;
         isSystemUser = true;