anchor.diff:    ];
   
     propagatedBuildInputs = [
  -    antlr4-python3-runtime
  +    antlr4_9-python3-runtime
       omegaconf
     ] ++ lib.optionals (pythonOlder "3.9") [
       importlib-resources
  
positive.code: 
  buildPythonPackage rec {
    pname = "hydra";
    version = "1.1.1";
    format = "setuptools";
  
    disabled = pythonOlder "3.6";
  
negative.code:     owner = "facebookresearch";
      repo = pname;
      rev = "v${version}";
      sha256 = "sha256-4r0ZWW9SGl35Oupf0ejwL/s6Nas6RoSN2egiBrvFZIA=";
    };
  
    nativeBuildInputs = [
  