anchor.diff: -{ stdenv, buildPythonPackage, fetchpatch, fetchPypi, pythonOlder
  -, pytestCheckHook, cachetools, flask, freezegun, mock, oauth2client
  -, pyasn1-modules, pytest, pytest-localserver, requests, responses, rsa
  -, setuptools, six, urllib3 }:
  +{ stdenv
  +, buildPythonPackage
  +, fetchpatch
  +, fetchPypi
  +, pytestCheckHook
  +, cachetools
  +, flask
  +, freezegun
  +, mock
  +, oauth2client
  +, pyasn1-modules
  +, pytest-localserver
  +, responses
  +, rsa
  +}:
   
   buildPythonPackage rec {
     pname = "google-auth";
  -  version = "1.23.0";
  +  version = "1.24.0";
   
     src = fetchPypi {
       inherit pname version;
  -    sha256 = "5176db85f1e7e837a646cd9cede72c3c404ccf2e3373d9ee14b2db88febad440";
  +    sha256 = "0bmdqkyv8k8n6s8dss4zpbcq1cdxwicpb42kwybd02ia85mh43hb";
     };
   
  -  disabled = pythonOlder "3.5";
  -
  -  propagatedBuildInputs = [ six pyasn1-modules cachetools rsa setuptools ];
  +  propagatedBuildInputs = [ pyasn1-modules cachetools rsa ];
   
     checkInputs = [
       flask
  
positive.code:     oauth2client
      pytestCheckHook
      pytest-localserver
      requests
      responses
      urllib3
    ];
  
    meta = with stdenv.lib; {
  
negative.code:       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";
      license = licenses.asl20;
      maintainers = with maintainers; [ SuperSandro2000 ];
    };
  }
  