anchor.diff:        helpers used by all Google API clients.
       '';
       homepage = "https://github.com/googleapis/python-api-core";
  -    changelog =
  -      "https://github.com/googleapis/python-api-core/blob/v${version}/CHANGELOG.md";
  +    changelog = "https://github.com/googleapis/python-api-core/blob/v${version}/CHANGELOG.md";
       license = licenses.asl20;
       maintainers = with maintainers; [ SuperSandro2000 ];
     };
  
positive.code: 
  buildPythonPackage rec {
    pname = "google-api-core";
    version = "1.30.0";
  
    src = fetchPypi {
      inherit pname version;
      sha256 = "0724d354d394b3d763bc10dfee05807813c5210f0bd9b8e2ddf6b6925603411c";
    };
  
    propagatedBuildInputs = [
  
negative.code: , googleapis-common-protos
  , grpcio
  , protobuf
  , proto-plus
  , requests
  , mock
  , pytest
  