python3Packages.buildPythonPackage: pass passthru.dependencies empty or not

        inherit

          disabled

          pyproject

          build-system

          dependencies

          optional-dependencies

          ;

      }

      // {

        updateScript = nix-update-script { };

      }

      // optionalAttrs (dependencies != [ ]) {

        inherit dependencies;

      }

      // optionalAttrs (optional-dependencies != { }) {

        inherit optional-dependencies;

      }

      // optionalAttrs (build-system != [ ]) {

        inherit build-system;

      }

      // attrs.passthru or { };

      meta = {