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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 close_streaming_interface(self):
 """Called when someone closes the streaming interface to the device. This method will automatically notify sensor_graph that there is a no longer a streaming interface opened. """


        super(ReferenceDevice, self).close_streaming_interface()

        self.rpc(8, rpcs.SG_GRAPH_INPUT, 8, streams.COMM_TILE_CLOSED)