anchor.diff:      afdko
       appdirs
       attrs
  -    black
       booleanoperations
       brotlipy
       click
  
positive.code: { fetchFromGitHub, lib, buildPythonPackage, pythonOlder
  , afdko, appdirs, attrs, black, booleanoperations, brotlipy, click
  , defcon, fontmath, fontparts, fontpens, fonttools, lxml
  , mutatormath, pathspec, psautohint, pyclipper, pytz, regex, scour
  , toml, typed-ast, ufonormalizer, ufoprocessor, unicodedata2, zopfli
  
negative.code:     cp -r third_party $out
    '';
  
    meta = with lib; {
      description = "Noto fonts support tools and scripts plus web site generation";
      homepage = "https://github.com/googlefonts/nototools";
      license = licenses.asl20;
      maintainers = with maintainers; [ ];
    };
  }
  