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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_buffers(self, job_id: str) -> Dict[str, np.ndarray]: """ Return the decoded result buffers for particular job_id. :param job_id: Unique identifier for the job in question :return: Decoded buffers or throw an error """

        buffers = self.client.call('get_buffers', job_id, wait=True)
        return {k: decode_buffer(v) for k, v in buffers.items()}