anchor.diff:        authentication mechanisms to access Google APIs.
       '';
       homepage = "https://github.com/googleapis/google-auth-library-python";
  -    changelog = "https://github.com/googleapis/google-auth-library-python/blob/v${version}/CHANGELOG.md";
  +    changelog =
  +      "https://github.com/googleapis/google-auth-library-python/blob/v${version}/CHANGELOG.md";
       # Documentation: https://googleapis.dev/python/google-auth/latest/index.html
       license = licenses.asl20;
       maintainers = with maintainers; [ ];
  
positive.code:     freezegun
      mock
      oauth2client
      pytest
      pytest-localserver
      requests
      responses
      urllib3
    ];
  
    checkPhase = ''
      py.test
    '';
  
    meta = with stdenv.lib; {
      description = "Google Auth Python Library";
  
negative.code: { stdenv, buildPythonPackage, fetchpatch, fetchPypi, pythonOlder
  , pytestCheckHook, cachetools, flask, freezegun, mock, oauth2client
  , pyasn1-modules, pytest, pytest-localserver, requests, responses, rsa
  , setuptools, six, urllib3 }:
  
  buildPythonPackage rec {
    pname = "google-auth";
    version = "1.22.1";
  
    src = fetchPypi {
      inherit pname version;
      sha256 = "1fs448jcx2cbpk0nq3picndfryjsakmd9allggvh7mrqjiw723ww";
    };
  
    disabled = pythonOlder "3.5";
  
    propagatedBuildInputs = [ six pyasn1-modules cachetools rsa setuptools ];
  
  