def show(self):
self.show_schedule_handle = None
self.ready = self.check_ready()
if self.ready:
self.shown = True
self.remove_old()
self.on_show(self.get_fade_duration())
else:
if self.old_action and self.time.now() - self.action['time'] > fade_old_max_wait:
self.remove_old()
self.show_schedule_handle = Clock.schedule_once(lambda dt: self.show(), 0)
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