anchor.diff:      sha256 = "b95e31850f3af163c2283ed40432f053acbc8fc6eba6a069cb518d9dbf71848c";
     };
   
  -  nativeBuildInputs = [ pytestrunner ];
  +  nativeBuildInputs = [ pytestrunner toml ];
   
  -  checkInputs = [ pytestCheckHook ];
  +  checkInputs = [ pytestCheckHook pytest-benchmark ];
   
     propagatedBuildInputs = [ astroid isort mccabe ];
   
  
positive.code: { stdenv, lib, buildPythonPackage, fetchPypi, pythonOlder, astroid,
    isort, mccabe, pytestCheckHook, pytestrunner }:
  
  buildPythonPackage rec {
    pname = "pylint";
  
negative.code:   disabledTests = [
      # https://github.com/PyCQA/pylint/issues/3198
      "test_by_module_statement_value"
      # has issues with local directories
      "test_version"
     ] ++ lib.optionals stdenv.isDarwin [
        "test_parallel_execution"
        "test_py3k_jobs_option"
     ];
  
    # calls executable in one of the tests
    preCheck = ''
      export PATH=$PATH:$out/bin
    '';
  
    dontUseSetuptoolsCheck = true;
  
  