anchor.diff:      babel
       jupyter_server
       tomli
  -  ] ++ lib.optional (pythonOlder "3.10") importlib-metadata;
  +  ] ++ lib.optional (pythonOlder "3.10") [
  +    importlib-metadata
  +  ];
   
     checkInputs = [
       openapi-core
  
positive.code:   pname = "jupyterlab_server";
    version = "2.16.0";
    format = "pyproject";
    disabled = pythonOlder "3.6";
  
    src = fetchPypi {
      inherit pname version;
      sha256 = "sha256-0bo0LPfoQ+yyw6Pf4z3hS4Nd+Xiqe0Ecqt3/lacr0so=";
    };
  
    nativeBuildInputs = [
  
negative.code: 
    meta = with lib; {
      description = "A set of server components for JupyterLab and JupyterLab like applications";
      homepage = "https://jupyterlab-server.readthedocs.io/";
      changelog = "https://github.com/jupyterlab/jupyterlab_server/blob/v${version}/CHANGELOG.md";
      license = licenses.bsdOriginal;
      maintainers = with maintainers; [ costrouc ];
    };
  }
  