anchor.diff:      typing-extensions
       urwid
       watchdog
  +  ] ++ lib.optionals (pythonOlder "3.7") [
  +    dataclasses
     ];
   
     postInstall = ''
  
positive.code: , fetchPypi
  , curtsies
  , cwcwidth
  , greenlet
  , jedi
  , pygments
  , pytestCheckHook
  , pyperclip
  , pyxdg
  , requests
  
negative.code:     pytestCheckHook
    ];
  
    pythonImportsCheck = [
      "bpython"
    ];
  
    disabledTests = [
      # Check for syntax error ends with an AssertionError
      "test_syntaxerror"
    ];
  
    meta = with lib; {
      description = "A fancy curses interface to the Python interactive interpreter";
  