anchor.diff:    pname = "cheroot";
     version = "8.6.0";
   
  -  disabled = !isPy3k;
  +  disabled = pythonOlder "3.7";
   
     src = fetchPypi {
       inherit pname version;
  -    sha256 = "366adf6e7cac9555486c2d1be6297993022eff6f8c4655c1443268cca3f08e25";
  +    hash = "sha256-NmrfbnyslVVIbC0b5il5kwIu/2+MRlXBRDJozKPwjiU=";
     };
   
  -  nativeBuildInputs = [ setuptools-scm setuptools-scm-git-archive ];
  +  nativeBuildInputs = [
  +    setuptools-scm
  +    setuptools-scm-git-archive
  +  ];
   
     propagatedBuildInputs = [
  -    # install_requires
       jaraco_functools
  -
       more-itertools
       six
     ];
  
positive.code:     description = "High-performance, pure-Python HTTP";
      homepage = "https://github.com/cherrypy/cheroot";
      license = licenses.mit;
    };
  }
  
negative.code:     jaraco_text
      portend
      pyopenssl
      pypytools
      pytest-mock
      pytestCheckHook
      requests
      requests-toolbelt
      requests-unixsocket
  