anchor.diff:  
         serve = {
           enable = mkEnableOption (lib.mdDoc "Automatic nginx and uwsgi setup for mailman-web");
  +
  +        virtualRoot = mkOption {
  +          default = "/";
  +          example = lib.literalExpression "/lists";
  +          type = types.str;
  +          description = lib.mdDoc ''
  +            Path to mount the mailman-web django application on.
  +          '';
  +        };
         };
   
         extraPythonPackages = mkOption {
  
positive.code:           type = "normal";
            plugins = ["python3"];
            home = webEnv;
            module = "mailman_web.wsgi";
            http = "127.0.0.1:18507";
          };
          uwsgiConfigFile = pkgs.writeText "uwsgi-mailman.json" (builtins.toJSON uwsgiConfig);
  
negative.code:       enable = mkDefault true;
        virtualHosts = lib.genAttrs cfg.webHosts (webHost: {
          locations = {
            ${cfg.serve.virtualRoot}.extraConfig = "uwsgi_pass unix:/run/mailman-web.socket;";
            "${cfg.serve.virtualRoot}/static/".alias = webSettings.STATIC_ROOT + "/";
          };
        });
      };
  