anchor.diff:      pytestCheckHook
     ];
   
  +  # Don't run tests for Python 2.7
  +  doCheck = !isPy27;
  +
  +  postPatch = ''
  +    sed -i "/--cov/d" setup.cfg
  +  '';
  +
     disabledTests = lib.optionals (stdenv.isDarwin) [
       # fails with HTTP 408 Request Timeout, instead of expected 200 OK
       "test_timeout_subsequent"
     ];
   
  -  pytestFlagsArray = [ "--ignore python2" ];
  +  pytestFlagsArray = [
  +    "--ignore python2"
  +  ];
  +
  +  pythonImportsCheck = [
  +    "httplib2"
  +  ];
   
     meta = with lib; {
       description = "A comprehensive HTTP client library";
  -    homepage = "https://httplib2.readthedocs.io";
  +    homepage = "https://github.com/httplib2/httplib2";
       license = licenses.mit;
       maintainers = with maintainers; [ fab ];
     };
  
positive.code: { lib
  , stdenv
  , buildPythonPackage
  , fetchFromGitHub
  , isPy27
  , mock
  
negative.code: 
  buildPythonPackage rec {
    pname = "httplib2";
    version = "0.20.3";
    format = "setuptools";
  
    src = fetchFromGitHub {
      owner = pname;
      repo = pname;
      rev = "v${version}";
      sha256 = "sha256-Q5KkhVqyHDoIeKjvvYoHRbZPY7LUXGDwgp4CSuyvQ1g=";
    };
  
    propagatedBuildInputs = [
      pyparsing
    ];
  
    checkInputs = [
      cryptography
      mock
      pytest-forked
      pytest-randomly
  