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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 get_frame(self, in_data, frame_count, time_info, status):
 		""" Callback function for the pyaudio stream. Don't use directly. """

		while self.keep_listening:
			try:
				frame = self.queue.get(False, timeout=queue_timeout)
				return (frame, pyaudio.paContinue)
			except Empty:
				pass
		return (None, pyaudio.paComplete)