anchor.diff:  buildPythonPackage rec {
     pname = "jupyterlab_server";
     version = "2.15.0";
  +  format = "pyproject";
     disabled = pythonOlder "3.6";
   
     src = fetchPypi {
  
positive.code: , lib
  , buildPythonPackage
  , fetchPypi
  , jsonschema
  , pythonOlder
  , requests
  
negative.code:   preCheck = ''
      export HOME=$(mktemp -d)
    '';
  
    pytestFlagsArray = [
      # DeprecationWarning: The distutils package is deprecated and slated for removal in Python 3.12. Use setuptools or check PEP 632 for potential alternatives
      "-W ignore::DeprecationWarning"
    ];
  
    __darwinAllowLocalNetworking = true;
  
  