Excerpt from journal:

out 24 20:39:09 hostname variety.desktop[2034]: WARNING: 2017-10-24 20:39:09,074: create_menu() 'Variety Slideshow is not installed. This is an optional extension adding pan-and-zoom slideshows to Variety: see https://github.com/peterlevi/variety-slideshow for details'
out 24 20:39:13 hostname variety.desktop[2034]: /usr/lib/python2.7/dist-packages/urllib3/connectionpool.py:854: InsecureRequestWarning: Unverified HTTPS request is being made. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings
out 24 20:39:13 hostname variety.desktop[2034]:   InsecureRequestWarning)
out 24 20:39:20 hostname gnome-keyring-daemon[1497]: asked to register item /org/freedesktop/secrets/collection/login/3, but it's already registered
out 24 20:39:23 hostname gnome-keyring-daemon[1497]: asked to register item /org/freedesktop/secrets/collection/login/3, but it's already registered
out 24 20:39:27 hostname variety.desktop[2034]: /usr/lib/python2.7/dist-packages/urllib3/connectionpool.py:854: InsecureRequestWarning: Unverified HTTPS request is being made. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings
out 24 20:39:27 hostname variety.desktop[2034]:   InsecureRequestWarning)
out 24 20:39:28 hostname variety.desktop[2034]: ERROR: 2017-10-24 20:39:27,977: reporting_thread_method() 'Stats: Could not report config'
out 24 20:39:28 hostname variety.desktop[2034]: Traceback (most recent call last):
out 24 20:39:28 hostname variety.desktop[2034]:   File "/usr/lib/python2.7/dist-packages/variety/VarietyWindow.py", line 999, in reporting_thread_method
out 24 20:39:28 hostname variety.desktop[2034]:     self.smart.stats_report_config()
out 24 20:39:28 hostname variety.desktop[2034]:   File "/usr/lib/python2.7/dist-packages/variety/Smart.py", line 851, in stats_report_config
out 24 20:39:28 hostname variety.desktop[2034]:     res = Util.fetch_json(Smart.API_URL + '/stats/%s/report-config' % statsid, data=data)
out 24 20:39:28 hostname variety.desktop[2034]:   File "/usr/lib/python2.7/dist-packages/variety/Util.py", line 534, in fetch_json
out 24 20:39:28 hostname variety.desktop[2034]:     return Util.request(url, data).json()
out 24 20:39:28 hostname variety.desktop[2034]:   File "/usr/lib/python2.7/dist-packages/variety/Util.py", line 507, in request
out 24 20:39:28 hostname variety.desktop[2034]:     r.raise_for_status()
out 24 20:39:28 hostname variety.desktop[2034]:   File "/usr/lib/python2.7/dist-packages/requests/models.py", line 937, in raise_for_status
out 24 20:39:28 hostname variety.desktop[2034]:     raise HTTPError(http_error_msg, response=self)
out 24 20:39:28 hostname variety.desktop[2034]: HTTPError: 500 Server Error: Internal Server Error for url: https://vrty.org/api/stats/qh4dfyxgfh/report-config
out 24 20:39:29 hostname variety.desktop[2034]: /usr/lib/python2.7/dist-packages/urllib3/connectionpool.py:854: InsecureRequestWarning: Unverified HTTPS request is being made. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings
out 24 20:39:29 hostname variety.desktop[2034]:   InsecureRequestWarning)
out 24 20:39:30 hostname variety.desktop[2034]: /usr/lib/python2.7/dist-packages/urllib3/connectionpool.py:854: InsecureRequestWarning: Unverified HTTPS request is being made. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings
out 24 20:39:30 hostname variety.desktop[2034]:   InsecureRequestWarning)
out 24 20:39:59 hostname variety.desktop[2034]: /usr/lib/python2.7/dist-packages/urllib3/connectionpool.py:854: InsecureRequestWarning: Unverified HTTPS request is being made. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings
out 24 20:39:59 hostname variety.desktop[2034]:   InsecureRequestWarning)
out 24 20:39:59 hostname variety.desktop[2034]: ERROR: 2017-10-24 20:39:59,276: reporting_thread_method() 'Stats: Could not report config'
out 24 20:39:59 hostname variety.desktop[2034]: Traceback (most recent call last):
out 24 20:39:59 hostname variety.desktop[2034]:   File "/usr/lib/python2.7/dist-packages/variety/VarietyWindow.py", line 999, in reporting_thread_method
out 24 20:39:59 hostname variety.desktop[2034]:     self.smart.stats_report_config()
out 24 20:39:59 hostname variety.desktop[2034]:   File "/usr/lib/python2.7/dist-packages/variety/Smart.py", line 851, in stats_report_config
out 24 20:39:59 hostname variety.desktop[2034]:     res = Util.fetch_json(Smart.API_URL + '/stats/%s/report-config' % statsid, data=data)
out 24 20:39:59 hostname variety.desktop[2034]:   File "/usr/lib/python2.7/dist-packages/variety/Util.py", line 534, in fetch_json
out 24 20:39:59 hostname variety.desktop[2034]:     return Util.request(url, data).json()
out 24 20:39:59 hostname variety.desktop[2034]:   File "/usr/lib/python2.7/dist-packages/variety/Util.py", line 507, in request
out 24 20:39:59 hostname variety.desktop[2034]:     r.raise_for_status()
out 24 20:39:59 hostname variety.desktop[2034]:   File "/usr/lib/python2.7/dist-packages/requests/models.py", line 937, in raise_for_status
out 24 20:39:59 hostname variety.desktop[2034]:     raise HTTPError(http_error_msg, response=self)
out 24 20:39:59 hostname variety.desktop[2034]: HTTPError: 500 Server Error: Internal Server Error for url: https://vrty.org/api/stats/qh4dfyxgfh/report-config
out 24 20:40:24 hostname gnome-shell[1573]: Some code accessed the property 'WindowPreviewMenu' on the module 'windowPreview'. That property was defined with 'let' or 'const' inside the module. This was previously supported, but is not correct according to the ES6 standard. Any symbols to be exported from a module must be defined with 'var'. The property access will work as previously for the time being, but please fix your code anyway.
out 24 20:40:29 hostname variety.desktop[2034]: /usr/lib/python2.7/dist-packages/urllib3/connectionpool.py:854: InsecureRequestWarning: Unverified HTTPS request is being made. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings
out 24 20:40:29 hostname variety.desktop[2034]:   InsecureRequestWarning)
out 24 20:40:30 hostname variety.desktop[2034]: ERROR: 2017-10-24 20:40:30,209: reporting_thread_method() 'Stats: Could not report config'
out 24 20:40:30 hostname variety.desktop[2034]: Traceback (most recent call last):
out 24 20:40:30 hostname variety.desktop[2034]:   File "/usr/lib/python2.7/dist-packages/variety/VarietyWindow.py", line 999, in reporting_thread_method
out 24 20:40:30 hostname variety.desktop[2034]:     self.smart.stats_report_config()
out 24 20:40:30 hostname variety.desktop[2034]:   File "/usr/lib/python2.7/dist-packages/variety/Smart.py", line 851, in stats_report_config
out 24 20:40:30 hostname variety.desktop[2034]:     res = Util.fetch_json(Smart.API_URL + '/stats/%s/report-config' % statsid, data=data)
out 24 20:40:30 hostname variety.desktop[2034]:   File "/usr/lib/python2.7/dist-packages/variety/Util.py", line 534, in fetch_json
out 24 20:40:30 hostname variety.desktop[2034]:     return Util.request(url, data).json()
out 24 20:40:30 hostname variety.desktop[2034]:   File "/usr/lib/python2.7/dist-packages/variety/Util.py", line 507, in request
out 24 20:40:30 hostname variety.desktop[2034]:     r.raise_for_status()
out 24 20:40:30 hostname variety.desktop[2034]:   File "/usr/lib/python2.7/dist-packages/requests/models.py", line 937, in raise_for_status
out 24 20:40:30 hostname variety.desktop[2034]:     raise HTTPError(http_error_msg, response=self)
out 24 20:40:30 hostname variety.desktop[2034]: HTTPError: 500 Server Error: Internal Server Error for url: https://vrty.org/api/stats/qh4dfyxgfh/report-config
out 24 20:40:41 hostname gsd-media-keys[1740]: Unable to get default sink
out 24 20:42:00 hostname variety.desktop[2034]: /usr/lib/python2.7/dist-packages/variety/__init__.py:225: Warning: g_variant_ref_sink: assertion 'value->ref_count > 0' failed
out 24 20:42:00 hostname variety.desktop[2034]:   Gtk.main()
out 24 20:42:00 hostname variety.desktop[2034]: **
out 24 20:42:00 hostname variety.desktop[2034]: GLib:ERROR:../../../../glib/gvarianttypeinfo.c:184:g_variant_type_info_check: assertion failed: (0 <= index && index < 24)