anchor.diff:      sha256 = "1gp9q5w1bjbw7wmba5hm8ippwvkind0p02n07fqa9jlqglhxhm46";
     };
   
  -  postPatch = ''
  -    substituteInPlace test/test.py --replace "expect_exit_codes={0} if sys.stdin.isatty() else {2}" "expect_exit_codes={0}"
  -  '';
  -
     propagatedBuildInputs = [
       pyyaml
       xmltodict
  
positive.code:    toml
    ];
  
    checkPhase = "pytest ./test/test.py";
  
    pythonImportsCheck = [ "yq" ];
  
  
negative.code:   doCheck = true;
  
    checkInputs = [
     unixtools.script
     pytest
     coverage
     flake8
  