anchor.diff:      astroid
       isort
       mccabe
  +    platformdirs
       toml
     ];
   
  
positive.code: { stdenv
  , lib
  , buildPythonPackage
  , fetchPypi
  , pythonOlder
  , installShellFiles
  , astroid
  , isort
  , mccabe
  , toml
  , pytest-benchmark
  , pytest-xdist
  
negative.code:     "-n auto"
    ];
  
    disabledTestPaths = [
      # tests miss multiple input files
      # FileNotFoundError: [Errno 2] No such file or directory
      "tests/pyreverse/test_writer.py"
    ];
  
    disabledTests = lib.optionals stdenv.isDarwin [
      "test_parallel_execution"
      "test_py3k_jobs_option"
  