xiaoheng

keepLiveTime = 120 c = MQTTClient(CLIENT_ID, server, 1883, username, password, keepLiveTime) tim = Timer(-1) tim.init(period=keepLiveTime*1000, mode=Timer.PERIODIC, callback=lambda t: keepLiveTimeCb(c)) def keepLiveTimeCb(c): c.ping() shell use ping() func

I have build with pa_stable_v190700_20210406.tgz, the issue is same.