After upgrading weewx from 3.9.2 to 4.0, weewx no longer recognizes the Vantage Vue console.
The console has a serial to IP link, so weewx communicates over Ethernet.
Below the output from syslog:
May 1 21:20:33 Domo systemd[1]: Starting LSB: weewx weather system...
May 1 21:20:35 Domo weewx[420] INFO __main__: Initializing weewx version 4.0.0
May 1 21:20:35 Domo weewx[420] INFO __main__: Using Python 3.7.3 (default, Dec 20 2019, 18:57:59) #012[GCC 8.3.0]
May 1 21:20:35 Domo weewx[420] INFO __main__: Platform Linux-4.19.97-v7+-armv7l-with-debian-10.3
May 1 21:20:35 Domo weewx[420] INFO __main__: Locale is 'nl_NL@euro'
May 1 21:20:35 Domo weewx[420] INFO __main__: PID file is /var/run/weewx.pid
May 1 21:20:35 Domo weewx[443] INFO __main__: Using configuration file /etc/weewx/weewx.conf
May 1 21:20:35 Domo weewx[443] DEBUG __main__: Initializing engine
May 1 21:20:35 Domo weewx[443] INFO weewx.engine: Loading station type Vantage (weewx.drivers.vantage)
May 1 21:20:35 Domo weewx[332]: Starting weewx weather system: weewx.
May 1 21:20:35 Domo systemd[1]: Started LSB: weewx weather system.
May 1 21:20:35 Domo weewx[443] DEBUG weewx.drivers.vantage: Driver version is 3.2.0
May 1 21:20:35 Domo weewx[443] DEBUG weewx.drivers.vantage: Opened up ethernet host 192.168.178.10 on port 22222. timeout=4.0, tcp_send_delay=0.5
May 1 21:20:36 Domo weewx[443] DEBUG weewx.drivers.vantage: Gentle wake up of console successful
May 1 21:20:36 Domo weewx[443] ERROR weewx.drivers.vantage: No <ACK> received from console
May 1 21:20:36 Domo weewx[443] DEBUG weewx.drivers.vantage: _determine_hardware; retry #0
May 1 21:20:37 Domo weewx[443] ERROR weewx.drivers.vantage: No <ACK> received from console
May 1 21:20:37 Domo weewx[443] DEBUG weewx.drivers.vantage: _determine_hardware; retry #1
May 1 21:20:37 Domo weewx[443] ERROR weewx.drivers.vantage: No <ACK> received from console
May 1 21:20:37 Domo weewx[443] DEBUG weewx.drivers.vantage: _determine_hardware; retry #2
May 1 21:20:38 Domo weewx[443] ERROR weewx.drivers.vantage: No <ACK> received from console
May 1 21:20:38 Domo weewx[443] DEBUG weewx.drivers.vantage: _determine_hardware; retry #3
May 1 21:20:38 Domo weewx[443] ERROR weewx.drivers.vantage: Unable to read hardware type; raise WeeWxIOError
May 1 21:20:38 Domo weewx[443] ERROR weewx.engine: Import of driver failed: Unable to read hardware type (<class 'weewx.WeeWxIOError'>)
May 1 21:20:38 Domo weewx[443] CRITICAL weewx.engine: **** Traceback (most recent call last):
May 1 21:20:38 Domo weewx[443] CRITICAL weewx.engine: **** File "/usr/share/weewx/weewx/engine.py", line 103, in setupStation
May 1 21:20:38 Domo weewx[443] CRITICAL weewx.engine: **** self.console = loader_function(config_dict, self)
May 1 21:20:38 Domo weewx[443] CRITICAL weewx.engine: **** File "/usr/share/weewx/weewx/drivers/vantage.py", line 39, in loader
May 1 21:20:38 Domo weewx[443] CRITICAL weewx.engine: **** return VantageService(engine, config_dict)
May 1 21:20:38 Domo weewx[443] CRITICAL weewx.engine: **** File "/usr/share/weewx/weewx/drivers/vantage.py", line 1897, in __init__
May 1 21:20:38 Domo weewx[443] CRITICAL weewx.engine: **** Vantage.__init__(self, **config_dict[DRIVER_NAME])
May 1 21:20:38 Domo weewx[443] CRITICAL weewx.engine: **** File "/usr/share/weewx/weewx/drivers/vantage.py", line 514, in __init__
May 1 21:20:38 Domo weewx[443] CRITICAL weewx.engine: **** self._setup()
May 1 21:20:38 Domo weewx[443] CRITICAL weewx.engine: **** File "/usr/share/weewx/weewx/drivers/vantage.py", line 1321, in _setup
May 1 21:20:38 Domo weewx[443] CRITICAL weewx.engine: **** self.hardware_type = self._determine_hardware()
May 1 21:20:38 Domo weewx[443] CRITICAL weewx.engine: **** File "/usr/share/weewx/weewx/drivers/vantage.py", line 1312, in _determine_hardware
May 1 21:20:38 Domo weewx[443] CRITICAL weewx.engine: **** raise weewx.WeeWxIOError("Unable to read hardware type")
May 1 21:20:38 Domo weewx[443] CRITICAL weewx.engine: **** weewx.WeeWxIOError: Unable to read hardware type
May 1 21:20:38 Domo weewx[443] CRITICAL __main__: Unable to load driver: Unable to read hardware type
May 1 21:20:38 Domo weewx[443] CRITICAL __main__: **** Exiting...
Any help is appreciated.