I just reinstalled Weewx and Weather34. It's working OK, but I get the following error messages. Any idea where the problem lies?
Mar 18 13:50:27 OpiQ-2 weewx[498]: cheetahgenerator: Generate failed with exception '<type 'exceptions.TypeError'>' Mar 18 13:50:27 OpiQ-2 weewx[498]: cheetahgenerator: **** Ignoring template /etc/weewx/skins/Weather34/w34charts/chartdata/result.csv.tmpl Mar 18 13:50:27 OpiQ-2 weewx[498]: cheetahgenerator: **** Reason: unsupported operand type(s) for +: 'float' and 'NoneType' Mar 18 13:50:27 OpiQ-2 weewx[498]: **** Traceback (most recent call last): Mar 18 13:50:27 OpiQ-2 weewx[498]: **** File "/usr/share/weewx/weewx/cheetahgenerator.py", line 332, in generate Mar 18 13:50:27 OpiQ-2 weewx[498]: **** fd.write(str(compiled_template)) Mar 18 13:50:27 OpiQ-2 weewx[498]: **** File "/usr/lib/python2.7/dist-packages/Cheetah/Template.py", line 1045, in __str__ Mar 18 13:50:27 OpiQ-2 weewx[498]: **** rc = getattr(self, mainMethName)() Mar 18 13:50:27 OpiQ-2 weewx[498]: **** File "_etc_weewx_skins_Weather34_w34charts_chartdata_result_csv_tmpl.py", line 251, in respond Mar 18 13:50:27 OpiQ-2 weewx[498]: **** TypeError: unsupported operand type(s) for +: 'float' and 'NoneType' Mar 18 13:50:27 OpiQ-2 weewx[498]: cheetahgenerator: Generated 3 files for report Weather34Report in 0.70 seconds Mar 18 13:50:27 OpiQ-2 weewx[498]: copygenerator: copied 0 files to /var/weewx/reports -- 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 weewx-user+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/d9dbfe80-19d3-40e6-969f-2e6031e20da9%40googlegroups.com.