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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 on_board(self, *args):
 """Draw myself for the first time as soon as I have the properties I need to do so. """

        if None in (
                self.board,
                self.origin,
                self.destination
        ):
            Clock.schedule_once(self.on_board, 0)
            return
        self._trigger_repoint()