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def check_cmdOk(self):print(“进入 check_cmdOk”)with eventlet.Timeout(1,False):#设置超时时间为2秒# time.sleep(4)print(‘进入eventlet.Timeout(3,False)’)while True:sleep(1)print(“在 while（1）里面”)QApplication.processEvents()# sleep(1)# temp =self.data_receive()##