import paho.mqtt.client as mqtt from tests.paho_test import get_test_server_port, loop_until_keyboard_interrupt mqttc = mqtt.Client(mqtt.CallbackAPIVersion.VERSION1, "01-unpwd-set") mqttc.username_pw_set("uname", "") mqttc.connect("localhost", get_test_server_port()) loop_until_keyboard_interrupt(mqttc)