anchor.diff:  
     meta = with lib; {
       description = "A set of server components for JupyterLab and JupyterLab like applications";
  -    homepage = "https://jupyter.org";
  +    homepage = "https://jupyterlab-server.readthedocs.io/";
  +    changelog = "https://github.com/jupyterlab/jupyterlab_server/blob/v${version}/CHANGELOG.md";
       license = licenses.bsdOriginal;
  -    maintainers = [ maintainers.costrouc ];
  +    maintainers = with maintainers; [ costrouc ];
     };
   }
  
positive.code:     babel
      jupyter_server
      tomli
    ] ++ lib.optional (pythonOlder "3.10") importlib-metadata;
  
    checkInputs = [
      openapi-core
  
negative.code:   pname = "jupyterlab_server";
    version = "2.16.0";
    format = "pyproject";
  
    disabled = pythonOlder "3.7";
  
    src = fetchPypi {
      inherit pname version;
      hash = "sha256-0bo0LPfoQ+yyw6Pf4z3hS4Nd+Xiqe0Ecqt3/lacr0so=";
    };
  
    nativeBuildInputs = [
  