我有一个遵循标准范例的简单线程Python程序:classSearchThread(threading.Thread):def__init__(self,search_queue):threading.Thread.__init__(self)self.search_queue=search_queuedefrun(self):whileTrue:try:search_url=self.search_queue.get(timeout=15)#exceptQueue.Empty:self.search_queue.task_done()breakexceptException,e:pr