pydance 
0 joystick(s) found.
Traceback (most recent call last):
  File "./pydance.py", line 36, in ?
    import dance
  File "/usr/share/games/pydance/dance.py", line 9, in ?
    from player import Player
  File "/usr/share/games/pydance/player.py", line 5, in ?
    import arrows
  File "/usr/share/games/pydance/arrows.py", line 10, in ?
    class AbstractArrow(pygame.sprite.Sprite):
  File "/usr/share/games/pydance/arrows.py", line 17, in AbstractArrow
    "assist-%s.ogg" % d))
pygame.error: Unrecognized sound file type