anchor.diff:    src = fetchFromGitHub {
       owner = "rocky";
       repo = "python-xdis";
  -    # Support for later Python releases is missing in 6.0.3
  -    rev = "f888df7df5cb8839927e9187c258769cc77fb7a3";
  -    hash = "sha256-V1ws5GibRkutFRNcjlP7aW+AshSyWavXIxuwznVbRlU=";
  +    rev = version;
  +    hash = "sha256-CRZG898xCwukq+9YVkyXMP8HcuJ9GtvDhy96kxvRFks=";
     };
   
     propagatedBuildInputs = [
  
positive.code: 
  buildPythonPackage rec {
    pname = "xdis";
    version = "unstable-2022-04-13";
    format = "setuptools";
  
    disabled = pythonOlder "3.6";
  
negative.code: 
    meta = with lib; {
      description = "Python cross-version byte-code disassembler and marshal routines";
      homepage = "https://github.com/rocky/python-xdis";
      license = licenses.gpl2Plus;
      maintainers = with maintainers; [ ];
    };
  