<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def handle_collect(self, msg):
 """handle an incoming message"""

        (success, sequence_number, comment) = self._handle_collect(msg)
        self.collector.send_multipart(msgs.MessageWriter().bool(success).uint64(sequence_number).string(comment).get())