anchor.diff:  
   buildPythonPackage rec {
     pname = "fsspec";
  -  version = "2022.01.0";
  +  version = "2022.3.0";
     disabled = pythonOlder "3.6";
   
     src = fetchFromGitHub {
       owner = "intake";
       repo = "filesystem_spec";
       rev = version;
  -    sha256 = "sha256-iPe2q9hY3ZRIKQGpxrHda3t9G0AtbtohVcWdnAzlzCo=";
  +    sha256 = "sha256-jTF8R0kaHMsCYg+7YFi21Homn63K+ulp9NDZC/jkIXM=";
     };
   
     propagatedBuildInputs = [
  
positive.code:   checkInputs = [
      numpy
      pytest-vcr
      pytestCheckHook
    ];
  
  
negative.code:   meta = with lib; {
      homepage = "https://github.com/intake/filesystem_spec";
      description = "A specification that Python filesystems should adhere to";
      changelog = "https://github.com/fsspec/filesystem_spec/raw/${version}/docs/source/changelog.rst";
      license = licenses.bsd3;
      maintainers = [ maintainers.costrouc ];
    };
  