<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def read_packet(self, timeout=3.0):
 """read one packet, timeout if one packet is not available in the timeout period"""


        try:
            return self.queue.get(timeout=timeout)
        except Empty:
            raise InternalTimeoutError("Timeout waiting for packet in AsyncPacketBuffer")