Traceback (most recent call last):
  File "/usr/games/angrydd", line 246, in <module>
    else: main()
  File "/usr/games/angrydd", line 109, in main
    menu.Menu(main_menu)
  File "/usr/share/games/angrydd/menu.py", line 140, in __init__
    if ev.key == LEFT:
AttributeError: event member not defined