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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 tick(self):
 """Ticks the environment once. Normally used for multi-agent environments. Returns: dict: A dictionary from agent name to its full state. The full state is another dictionary from :obj:`holodeck.sensors.Sensors` enum to np.ndarray, containing the sensors information for each sensor. The sensors always include the reward and terminal sensors. """

        self._handle_command_buffer()
        self._client.release()
        self._client.acquire()
        return self._get_full_state()