anchor.diff:      description = "Google Cloud Pub/Sub API client library";
       homepage = "https://pypi.org/project/google-cloud-pubsub";
       license = licenses.asl20;
  -    maintainers = [ maintainers.costrouc ];
  +    maintainers = with maintainers; [ SuperSandro2000 ];
     };
   }
  
positive.code: { stdenv, buildPythonPackage, fetchPypi, pythonOlder, pytestCheckHook
  , google_api_core, google_cloud_testutils, grpc_google_iam_v1, libcst, mock
  , proto-plus, pytest-asyncio }:
  
  buildPythonPackage rec {
    pname = "google-cloud-pubsub";
  
negative.code: 
    src = fetchPypi {
      inherit pname version;
      sha256 = "1rfdbkxbndi00wx9dx733ihp3hmcsk6k23pcjni0ki7m0c4acl5w";
    };
  
    propagatedBuildInputs = [ grpc_google_iam_v1 google_api_core libcst proto-plus ];
  
    checkInputs = [ google_cloud_testutils mock pytestCheckHook pytest-asyncio ];
  
    preCheck = ''
      # prevent google directory from shadowing google imports
      rm -r google
      # Tests in pubsub_v1 attempt to contact pubsub.googleapis.com
      rm -r tests/unit/pubsub_v1
    '';
  
  