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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 _handle_aui(self, data):
 """ Handle AUI messages. :param data: RF message to parse :type data: string :returns: :py:class`~alarmdecoder.messages.AUIMessage` """

        msg = AUIMessage(data)

        self.on_aui_message(message=msg)

        return msg