anchor.diff:  , googleapis-common-protos
   , grpcio
   , protobuf
  -, pytz
  +, proto-plus
   , requests
   , mock
   , pytest
  
positive.code:     google-auth
      grpcio
      protobuf
      pytz
      requests
    ];
  
  
negative.code: 
  buildPythonPackage rec {
    pname = "google-api-core";
    version = "2.0.0";
  
    src = fetchPypi {
      inherit pname version;
      sha256 = "sha256-vZ6wcJ9OEN1v3bMv0HiKGQtDRCbCWL5uAO9A2hNtdo0=";
    };
  
    propagatedBuildInputs = [
  