import paho.mqtt.client as mqtt def on_message(client, userdata, message): print(str(message.payload.decode("utf-8"))) client.publish("/repeat/", message.payload) mqttBroker = 'icyn30.duckdns.org' mqttPort = 1888 client = mqtt.Client("Notifier") client.connect(mqttBroker, mqttPort) client.subscribe("/Test/test") client.on_message = on_message client.loop_forever()