anchor.diff:  
   buildPythonPackage rec {
     pname = "pycep-parser";
  -  version = "0.3.1";
  +  version = "0.3.2";
     format = "pyproject";
   
     disabled = pythonOlder "3.7";
  
positive.code: 
    postPatch = ''
      substituteInPlace pyproject.toml \
        --replace 'version = "0.3.1-alpha.1"' 'version = "${version}"' \
        --replace 'regex = "^2022.3.2"' 'regex = "*"'
    '';
  
  
negative.code:     owner = "gruebel";
      repo = "pycep";
      rev = version;
      hash = "sha256-ud26xJQWdu7wtv75/K16HSSw0MvaSr3H1hDZBPjSzYE=";
    };
  
    nativeBuildInputs = [
  