anchor.diff:  buildPythonPackage rec {
     pname = "atpublic";
     version = "3.0.1";
  -  format = "setuptools";
  +  format = "pyproject";
   
     disabled = pythonOlder "3.6";
   
  
positive.code:   ];
  
    postPatch = ''
      substituteInPlace setup.cfg \
        --replace "--cov=public" ""
    '';
  
    pythonImportsCheck = [
  
negative.code: , fetchPypi
  , pytestCheckHook
  , pythonOlder
  , pdm-pep517
  , sybil
  , typing-extensions
  }:
  