anchor.diff:  
     postPatch = ''
       substituteInPlace pyproject.toml \
  +      --replace 'anyconfig = "0.13.0"' 'anyconfig = "*"' \
         --replace 'environs = "9.5.0"' 'environs = "*"' \
         --replace 'jsonschema = "4.4.0"' 'jsonschema = "*"' \
         --replace '"ruamel.yaml" = "0.17.21"' '"ruamel.yaml" = "*"'
  
positive.code: { buildPythonPackage
  , fetchFromGitHub
  , lib
  
  # pythonPackages
  , anyconfig
  
negative.code: 
    # no tests
    doCheck = false;
  
    pythonImportsCheck = [
      "ansibledoctor"
    ];
  
    meta = with lib; {
      description = "Annotation based documentation for your Ansible roles";
  