Another bug has been reported!
Hiunfortunately another bug has been reported. It is corrected very simple:
gamelib/context.py line 296 should be:
if spr == self.sprite and self.sprite is not None and hasattr(self.sprite, "on_click"):
If you want to get the corrected source you can get it here:
https://bitbucket.org/dr0id/pyweek-games/src/6dd2036861a90fc647842a40e80bfb45fe7231dd/pyweek18-2014-05/?at=default