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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def stop_event(self, event_type):
 """ Stop dispatching the given event. It is not an error to attempt to stop an event that was never started, the request will just be silently ignored. """

        if event_type in self.__timers:
            pyglet.clock.unschedule(self.__timers[event_type])