from ball import Ball class BallLaunch: display = False def handle_keystroke(self, keystroke, game): try: if keystroke.name in ("KEY_ENTER"): try: game.get_agent_by_name('theball') except: a=Ball(game.get_agent_by_name('arrow').position[1],game.get_agent_by_name('meter').position[0]-22) a.name='theball' game.add_agent(a) except: None