anchor.diff:      ];
   
       buildPhase = ''
  -      cp ${bootstrap} bootstrap.py
  -      ${python.pythonForBuild.interpreter} bootstrap.py
  +      ${python.pythonForBuild.interpreter} setup.py egg_info
         ${python.pythonForBuild.interpreter} setup.py sdist --formats=gztar
   
         # Here we untar the sdist and retar it in order to control the timestamps
  
positive.code: 
  let
    pname = "setuptools";
    version = "54.2.0";
  
    bootstrap = fetchurl {
      url = "https://raw.githubusercontent.com/pypa/setuptools/v52.0.0/bootstrap.py";
      sha256 = "sha256-HzhlnJvMskBfb3kVnYltdnjS63wt1GWd0RK+VQqrJQ8=";
    };
  
    # Create an sdist of setuptools
    sdist = stdenv.mkDerivation rec {
  
negative.code:       owner = "pypa";
        repo = pname;
        rev = "v${version}";
        sha256 = "sha256-zFmndVoATNxfvDsacY+gj5bzIbbd/8ldbsJj4qOawTA=";
        name = "${pname}-${version}-source";
      };
  
  