anchor.diff:  , fetchPypi
   , regex
   , pytestCheckHook
  +, pythonOlder
   }:
   
   buildPythonPackage rec {
  
positive.code:   ];
  
    meta = with lib; {
      homepage = "https://github.com/erikrose/parsimonious";
      description = "Fast arbitrary-lookahead parser written in pure Python";
      license = licenses.mit;
    };
  
  }
  
negative.code:     pytestCheckHook
    ];
  
    postPatch = ''
      substituteInPlace setup.py \
        --replace "regex>=2022.3.15" "regex"
    '';
  
    pythonImportsCheck = [
      "parsimonious"
      "parsimonious.grammar"
  