anchor.diff:      fsspec
       google-auth
       google-auth-oauthlib
  +    google-cloud-storage
       requests
       ujson
     ];
  
positive.code: 
  buildPythonPackage rec {
    pname = "gcsfs";
    version = "2021.10.0";
    disabled = pythonOlder "3.6";
  
    src = fetchFromGitHub {
      owner = "dask";
      repo = pname;
      rev = version;
      sha256 = "sha256-GDVIENtNpo8cg7pplOgoDMVguZmxoUUSs860WNfhmfM=";
    };
  
    propagatedBuildInputs = [
  
negative.code:     "test_GoogleCredentials_None"
    ];
  
    pythonImportsCheck = [
      "gcsfs"
    ];
  
    meta = with lib; {
      description = "Convenient Filesystem interface over GCS";
      homepage = "https://github.com/dask/gcsfs";
      license = licenses.bsd3;
      maintainers = with maintainers; [ nbren12 ];
    };
  }
  