anchor.diff:  , fetchPypi
   , curtsies
   , cwcwidth
  +, dataclasses
   , greenlet
   , jedi
   , pygments
   , pytestCheckHook
  +, pythonOlder
   , pyperclip
   , pyxdg
   , requests
  
positive.code:     typing-extensions
      urwid
      watchdog
    ];
  
    postInstall = ''
  
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";
  