I've been trying to work out what is causing this error. I have the
Belchertown-New skin installed. When I disable it, the error disappears;
re-enable, it re-appears.
The generator generates a few B'town files and folders, but no index.html
Other extensions installed: (Even when I remove all the almanacs the error
condition is the same)
Extension Name Version Description
Belchertown 1.3.1 A clean modern skin with real time streaming
updates and interactive charts. Modeled after BelchertownWeather.com
Skyfield almanac 0.5 almanac extension using Skyfield mdule
Skymap almanac 0.5 almanac extension using Skyfield mdule
forecast 4.0 Generate and display weather and tide forecasts.
purple 4.0.3 Record air quality via purple-proxy service.
purpleair 0.4 Collect Purple Air air quality data.
weatherflowudp 1.10.2 Capture data from WeatherFlow Bridge via UDP
broadcast packets
WeeWx: 5.2
Venv setup using pip install
Mac mini M1
WeeWx installed in a Parallels Ubuntu VM
<log>
Startup:
2026-03-06T15:19:59.192352-05:00 ubuntu-gnu-linux-24-04-3 weewxd[517060]: INFO
weewxd: Initializing weewxd version 5.2.0
2026-03-06T15:19:59.193125-05:00 ubuntu-gnu-linux-24-04-3 weewxd[517060]: INFO
weewxd: Command line: /home/house/weewx-venv/bin/weewxd
2026-03-06T15:19:59.194061-05:00 ubuntu-gnu-linux-24-04-3 weewxd[517060]: INFO
weewxd: Using Python: 3.12.3 (main, Jan 22 2026, 20:57:42) [GCC 13.3.0]
2026-03-06T15:19:59.194207-05:00 ubuntu-gnu-linux-24-04-3 weewxd[517060]: INFO
weewxd: Located at: /home/house/weewx-venv/bin/python3
2026-03-06T15:19:59.196918-05:00 ubuntu-gnu-linux-24-04-3 weewxd[517060]: INFO
weewxd: Platform: Linux-6.17.0-14-generic-aarch64-with-glibc2.39
2026-03-06T15:19:59.197184-05:00 ubuntu-gnu-linux-24-04-3 weewxd[517060]: INFO
weewxd: Locale: 'en_US.UTF-8'
2026-03-06T15:19:59.197319-05:00 ubuntu-gnu-linux-24-04-3 weewxd[517060]: INFO
weewxd: Entry path: /home/house/weewx-venv/bin/weewxd
2026-03-06T15:19:59.197448-05:00 ubuntu-gnu-linux-24-04-3 weewxd[517060]: INFO
weewxd: WEEWX_ROOT: /home/house/weewx-data
2026-03-06T15:19:59.197559-05:00 ubuntu-gnu-linux-24-04-3 weewxd[517060]: INFO
weewxd: Config file: /home/house/weewx-data/weewx.conf
2026-03-06T15:19:59.197676-05:00 ubuntu-gnu-linux-24-04-3 weewxd[517060]: INFO
weewxd: User module: /home/house/weewx-data/bin/user
2026-03-06T15:19:59.197817-05:00 ubuntu-gnu-linux-24-04-3 weewxd[517060]: INFO
weewxd: Debug: 1
2026-03-06T15:19:59.198109-05:00 ubuntu-gnu-linux-24-04-3 weewxd[517060]: INFO
weewxd: User: house
2026-03-06T15:19:59.198294-05:00 ubuntu-gnu-linux-24-04-3 weewxd[517060]: INFO
weewxd: Group: house
2026-03-06T15:19:59.198440-05:00 ubuntu-gnu-linux-24-04-3 weewxd[517060]: INFO
weewxd: Groups: adm cdrom sudo dip plugdev users lpadmin house
2026-03-06T15:19:59.198593-05:00 ubuntu-gnu-linux-24-04-3 weewxd[517060]: DEBUG
weewxd: loop_on_init: True
2026-03-06T15:19:59.198784-05:00 ubuntu-gnu-linux-24-04-3 weewxd[517060]: DEBUG
weewxd: Initializing engine
2026-03-06T15:19:59.198947-05:00 ubuntu-gnu-linux-24-04-3 weewxd[517060]: INFO
weewx.engine: Loading station type WeatherFlowUDP (user.weatherflowudp)
-------------------
Error report:
2026-03-06T15:11:08.670669-05:00 ubuntu-gnu-linux-24-04-3 weewxd[491995]: DEBUG
weewx.reportengine: Running report 'Belchertown'
2026-03-06T15:11:08.673811-05:00 ubuntu-gnu-linux-24-04-3 weewxd[491995]: DEBUG
weewx.reportengine: Found configuration file
/home/house/weewx-data/skins/Belchertown/skin.conf for report 'Belchertown'
2026-03-06T15:11:08.675187-05:00 ubuntu-gnu-linux-24-04-3 weewxd[491995]: DEBUG
weewx.reportengine: Cannot read localization file
/home/house/weewx-data/skins/Belchertown/lang/en.conf for report 'Belchertown':
Config file not found: "/home/house/weewx-data/skins/Belchertown/lang/en.conf".
2026-03-06T15:11:08.675278-05:00 ubuntu-gnu-linux-24-04-3 weewxd[491995]: DEBUG
weewx.reportengine: **** Using defaults instead.
2026-03-06T15:11:08.676020-05:00 ubuntu-gnu-linux-24-04-3 weewxd[491995]: DEBUG
weewx.reportengine: Unable to set locale 'en': unsupported locale setting.
Using default.
2026-03-06T15:11:08.676139-05:00 ubuntu-gnu-linux-24-04-3 weewxd[491995]: DEBUG
weewx.reportengine: Running generators for report 'Belchertown' in directory
'/home/house/weewx-data/skins/Belchertown' with locale 'en_US.UTF-8'
2026-03-06T15:11:08.676984-05:00 ubuntu-gnu-linux-24-04-3 weewxd[491995]: DEBUG
weewx.cheetahgenerator: Using search list ['user.belchertown.getData',
'user.forecast.ForecastVariables', 'user', 'weewx.cheetahgenerator.Almanac',
'weewx.cheetahgenerator.Current', 'weewx.cheetahgenerator.DisplayOptions',
'weewx.cheetahgenerator.Extras', 'weewx.cheetahgenerator.Gettext',
'weewx.cheetahgenerator.JSONHelpers', 'weewx.cheetahgenerator.PlotInfo',
'weewx.cheetahgenerator.SkinInfo', 'weewx.cheetahgenerator.Station',
'weewx.cheetahgenerator.Stats', 'weewx.cheetahgenerator.UnitInfo']
2026-03-06T15:11:08.677154-05:00 ubuntu-gnu-linux-24-04-3 weewxd[491995]: ERROR
weewx.reportengine: Caught unrecoverable exception in generator
'weewx.cheetahgenerator.CheetahGenerator'
2026-03-06T15:11:08.677266-05:00 ubuntu-gnu-linux-24-04-3 weewxd[491995]: ERROR
weewx.reportengine: **** not enough values to unpack (expected 2, got
1)
2026-03-06T15:11:08.677585-05:00 ubuntu-gnu-linux-24-04-3 weewxd[491995]: ERROR
weewx.reportengine: **** Traceback (most recent call last):
2026-03-06T15:11:08.677661-05:00 ubuntu-gnu-linux-24-04-3 weewxd[491995]: ERROR
weewx.reportengine: **** File
"/home/house/weewx-venv/lib/python3.12/site-packages/weewx/reportengine.py",
line 248, in run
2026-03-06T15:11:08.677775-05:00 ubuntu-gnu-linux-24-04-3 weewxd[491995]: ERROR
weewx.reportengine: **** obj.start()
2026-03-06T15:11:08.677910-05:00 ubuntu-gnu-linux-24-04-3 weewxd[491995]: ERROR
weewx.reportengine: **** File
"/home/house/weewx-venv/lib/python3.12/site-packages/weewx/reportengine.py",
line 465, in start
2026-03-06T15:11:08.677994-05:00 ubuntu-gnu-linux-24-04-3 weewxd[491995]: ERROR
weewx.reportengine: **** self.run()
2026-03-06T15:11:08.678122-05:00 ubuntu-gnu-linux-24-04-3 weewxd[491995]: ERROR
weewx.reportengine: **** File
"/home/house/weewx-venv/lib/python3.12/site-packages/weewx/cheetahgenerator.py",
line 163, in run
2026-03-06T15:11:08.678225-05:00 ubuntu-gnu-linux-24-04-3 weewxd[491995]: ERROR
weewx.reportengine: ****
self.init_extensions(gen_dict[section_name])
2026-03-06T15:11:08.678332-05:00 ubuntu-gnu-linux-24-04-3 weewxd[491995]: ERROR
weewx.reportengine: **** File
"/home/house/weewx-venv/lib/python3.12/site-packages/weewx/cheetahgenerator.py",
line 194, in init_extensions
2026-03-06T15:11:08.678866-05:00 ubuntu-gnu-linux-24-04-3 weewxd[491995]: ERROR
weewx.reportengine: **** klass = weeutil.weeutil.get_object(x)
2026-03-06T15:11:08.678943-05:00 ubuntu-gnu-linux-24-04-3 weewxd[491995]: ERROR
weewx.reportengine: **** ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-03-06T15:11:08.678983-05:00 ubuntu-gnu-linux-24-04-3 weewxd[491995]: ERROR
weewx.reportengine: **** File
"/home/house/weewx-venv/lib/python3.12/site-packages/weeutil/weeutil.py", line
1403, in get_object
2026-03-06T15:11:08.679023-05:00 ubuntu-gnu-linux-24-04-3 weewxd[491995]: ERROR
weewx.reportengine: **** module_name, klass_name =
module_class.rsplit('.', 1)
2026-03-06T15:11:08.679088-05:00 ubuntu-gnu-linux-24-04-3 weewxd[491995]: ERROR
weewx.reportengine: **** ^^^^^^^^^^^^^^^^^^^^^^^
2026-03-06T15:11:08.679140-05:00 ubuntu-gnu-linux-24-04-3 weewxd[491995]: ERROR
weewx.reportengine: **** ValueError: not enough values to unpack
(expected 2, got 1)
2026-03-06T15:11:08.679195-05:00 ubuntu-gnu-linux-24-04-3 weewxd[491995]: ERROR
weewx.reportengine: **** Generator terminated
2026-03-06T15:11:08.681225-05:00 ubuntu-gnu-linux-24-04-3 weewxd[491995]: INFO
weewx.reportengine: Copied 8 files to /var/www/html/weewx/belchertown
</log>
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