<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(self, size):
 """Read bytes from the stream."""

        buf, overflow = self._audio_stream.read(size)
        if overflow:
            logging.warning('SoundDeviceStream read overflow (%d, %d)',
                            size, len(buf))
        return bytes(buf)