AttributeError: 'Client' object has no attribute 'is_connected'

[hubgitbb]

Hi

i am doing some testing with a basic config.json and i get the folowing error:

root@pi:/home/pi/etrv2mqtt# etrv2mqtt config.json
2021-01-06 15:24:48.792 | INFO     | etrv2mqtt.cli:entrypoint:27 - /usr/local/bin/etrv2mqtt is starting
2021-01-06 15:24:48.825 | INFO     | etrv2mqtt.devices:__init__:72 - Adding device t1 MAC: 00:11:22:33:44:55 key: abcabcabcabcabcabcabcabcabc
2021-01-06 15:24:48.830 | INFO     | etrv2mqtt.devices:__init__:72 - Adding device t2 MAC: 00:11:22:33:44:66 key: cacacacacacacacacacacacacacaca
2021-01-06 15:24:48.837 | DEBUG    | etrv2mqtt.mqtt:__init__:32 - connecting to 192.168.1.100:1883
2021-01-06 15:24:49.732 | INFO     | etrv2mqtt.mqtt:_on_connect:49 - Connected to MQTT server
2021-01-06 15:24:50.849 | DEBUG    | etrv2mqtt.devices:poll:39 - Polling data from t1
2021-01-06 15:24:50.855 | DEBUG    | libetrv.device:connect:54 - Trying connect to 00:11:22:33:44:55
2021-01-06 15:25:01.972 | DEBUG    | libetrv.device:send_pin:87 - Write PIN to 00:11:22:33:44:55
2021-01-06 15:25:02.364 | DEBUG    | etrv2mqtt.devices:poll:45 - {"name": "eTRV", "battery": 58, "room_temp": 20.0, "set_point": 20.0, "last_update": "2021-01-06 15:25:02.363597"}
2021-01-06 15:25:02.369 | ERROR    | __main__:<module>:10 - An error has been caught in function '<module>', process 'MainProcess' (18169), thread 'MainThread' (3069663456):

AttributeError: 'Client' object has no attribute 'is_connected'

i have anon the MAC, KEY and IP.

how can i fix this?

regards