anchor.diff:  
     postPatch = ''
       substituteInPlace pyproject.toml \
  -      --replace 'version = "0.3.2-alpha.4"' 'version = "${version}"' \
  -      --replace 'regex = "^2022.3.2"' 'regex = "*"'
  +      --replace 'regex = "^2022.3.15"' 'regex = "*"'
     '';
   
     pythonImportsCheck = [
  
positive.code:     owner = "gruebel";
      repo = "pycep";
      rev = version;
      hash = "sha256-ud26xJQWdu7wtv75/K16HSSw0MvaSr3H1hDZBPjSzYE=";
    };
  
    nativeBuildInputs = [
  
negative.code: 
  buildPythonPackage rec {
    pname = "pycep-parser";
    version = "0.3.4";
    format = "pyproject";
  
    disabled = pythonOlder "3.7";
  