anchor.diff:      pyrsistent
       pyparsing
       cachecontrol
  -    lockfile
       pkginfo
       html5lib
       shellingham
       tomlkit
  +    pexpect
  +    keyring
  +    lockfile
     ] ++ lib.optionals (isPy27 || isPy34) [ typing pathlib2 glob2 ]
  -    ++ lib.optionals isPy27 [ virtualenv functools32 subprocess32 ];
  +    ++ lib.optionals isPy27 [ virtualenv functools32 subprocess32 ]
  +    ++ lib.optionals (pythonOlder "3.8") [ importlib-metadata ];
   
     postInstall = ''
       mkdir -p "$out/share/bash-completion/completions"
  
positive.code: , pyrsistent
  , pyparsing
  , cachecontrol
  , lockfile
  , pkginfo
  , html5lib
  , shellingham
  
negative.code:   '';
  
    meta = with lib; {
      homepage = "https://python-poetry.org/";
      description = "Python dependency management and packaging made easy";
      license = licenses.mit;
      maintainers = with maintainers; [ jakewaksbaum ];
  