Hello, This seems to be an error in the skin weewx-wdc, which is a 3rd party skin. Looking through the issues list for the skin, it appears that someone else has posted a very similar problem. See Issue #282 <https://github.com/Daveiano/weewx-wdc/issues/282>.
Check with the author. -tk On Sat, Jun 21, 2025 at 9:29 AM 'lucien mornet' via weewx-user < [email protected]> wrote: > Hello, > > I think I know why the statistics.html.tmpl file isn't being generated. > > In the logs, I have this: > > 2025-06-14T23:38:09.846928+02:00 meteo weewxd[30319]: ERROR > weewx.cheetahgenerator: Evaluation of template > /home/lucien/weewx-data/skins/weewx-wdc/statistics.html.tmpl failed with > exception '<class 'ValueError'>' > 2025-06-14T23:38:09.847468+02:00 meteo weewxd[30319]: ERROR > weewx.cheetahgenerator: **** Ignoring template > /home/lucien/weewx-data/skins/weewx-wdc/statistics.html.tmpl > 2025-06-14T23:38:09.847768+02:00 meteo weewxd[30319]: ERROR > weewx.cheetahgenerator: **** Reason: min() arg is an empty sequence > 2025-06-14T23:38:09.854326+02:00 meteo weewxd[30319]: ERROR > weewx.cheetahgenerator: **** Traceback (most recent call last): > 2025-06-14T23:38:09.854742+02:00 meteo weewxd[30319]: ERROR > weewx.cheetahgenerator: **** File > "/home/lucien/weewx-venv/lib/python3.11/site-packages/weewx/cheetahgenerator.py", > line 334, in generate > 2025-06-14T23:38:09.855026+02:00 meteo weewxd[30319]: ERROR > weewx.cheetahgenerator: **** unicode_string = compiled_template.respond() > 2025-06-14T23:38:09.855288+02:00 meteo weewxd[30319]: ERROR > weewx.cheetahgenerator: **** ^^^^^^^^^^^^^^^^^^^^^^^^^^^ > 2025-06-14T23:38:09.855542+02:00 meteo weewxd[30319]: ERROR > weewx.cheetahgenerator: **** File > "_home_lucien_weewx_data_skins_weewx_wdc_statistics_html_tmpl.py", line > 250, in respond > 2025-06-14T23:38:09.855793+02:00 meteo weewxd[30319]: ERROR > weewx.cheetahgenerator: **** File > "/home/lucien/weewx-venv/lib/python3.11/site-packages/Cheetah/Template.py", > line 1712, in _handleCheetahInclude > 2025-06-14T23:38:09.856076+02:00 meteo weewxd[30319]: ERROR > weewx.cheetahgenerator: **** > self._CHEETAH__cheetahIncludes[_includeID].respond(trans) > 2025-06-14T23:38:09.856334+02:00 meteo weewxd[30319]: ERROR > weewx.cheetahgenerator: **** File > "_home_lucien_weewx_data_skins_weewx_wdc_includes_climatological_days_inc.py", > line 861, in respond > 2025-06-14T23:38:09.856584+02:00 meteo weewxd[30319]: ERROR > weewx.cheetahgenerator: **** File > "/home/lucien/weewx-venv/lib/python3.11/site-packages/Cheetah/Template.py", > line 1712, in _handleCheetahInclude > 2025-06-14T23:38:09.857164+02:00 meteo weewxd[30319]: ERROR > weewx.cheetahgenerator: **** > self._CHEETAH__cheetahIncludes[_includeID].respond(trans) > 2025-06-14T23:38:09.857243+02:00 meteo weewxd[30319]: ERROR > weewx.cheetahgenerator: **** File > "_home_lucien_weewx_data_skins_weewx_wdc_includes_stat_table_inc.py", line > 404, in respond > 2025-06-14T23:38:09.857305+02:00 meteo weewxd[30319]: ERROR > weewx.cheetahgenerator: **** File > "_home_lucien_weewx_data_skins_weewx_wdc_includes_stat_table_inc.py", line > 144, in __errorCatcher11 > 2025-06-14T23:38:09.857363+02:00 meteo weewxd[30319]: ERROR > weewx.cheetahgenerator: **** File "", line 1, in > 2025-06-14T23:38:09.857419+02:00 meteo weewxd[30319]: ERROR > weewx.cheetahgenerator: **** ValueError: min() arg is an empty sequence > 2025-06-14T23:38:10.379391+02:00 meteo > > I have three years without data: 2014, 2015, and 2020. The station is down. > How can I solve the problem? > > I read this: > https://careerkarma.com/blog/python-valueerror-max-arg-is-an-empty-sequence/ > > Thank you for your answers. > > I am in France and do not speak English. I translate with Google. > > -- > You received this message because you are subscribed to the Google Groups > "weewx-user" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion visit > https://groups.google.com/d/msgid/weewx-user/5afc6d8e-01bc-4df2-849e-9ffa1acbbbbbn%40googlegroups.com > <https://groups.google.com/d/msgid/weewx-user/5afc6d8e-01bc-4df2-849e-9ffa1acbbbbbn%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "weewx-user" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion visit https://groups.google.com/d/msgid/weewx-user/CAPq0zEAYtp%2By8WLZjQBe4PkW9tFq%2BB%3D%3D%2BpEWMoxh1NvcN_s%3Dbg%40mail.gmail.com.
