So I ran through all of the steps to set this up.
When I get my token back from Google I paste it into the WebUI and I get things similar to this:
Chrome reacted similarly.
Restarting the container doesn’t seem to fix the issue, it needs to be uninstalled and re-installed to get back to a state where there’s even any WebUI.
These are the latest logs:
[27/Aug/2019:10:57:24] ENGINE Started monitor thread 'Autoreloader'.
[27/Aug/2019:10:57:24] ENGINE Serving on http://0.0.0.0:9324
[27/Aug/2019:10:57:24] ENGINE Bus STARTED
192.168.1.171 - - [27/Aug/2019:11:01:04] "GET / HTTP/1.1" 200 713 "" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.1.2 Safari/605.1.15"
192.168.1.171 - - [27/Aug/2019:11:01:04] "GET /favicon.ico HTTP/1.1" 200 1406 "http://192.168.1.216:9324/" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.1.2 Safari/605.1.15"
[27/Aug/2019:11:02:09] ENGINE SystemExit raised: shutting down HTTP server
[27/Aug/2019:11:02:09] ENGINE Bus STOPPING
[27/Aug/2019:11:02:09] ENGINE HTTP Server cherrypy._cpwsgi_server.CPWSGIServer(('0.0.0.0', 9324)) shut down
[27/Aug/2019:11:02:09] ENGINE Stopped thread 'Autoreloader'.
[27/Aug/2019:11:02:09] ENGINE Bus STOPPED
[27/Aug/2019:11:02:09] ENGINE Bus EXITING
[27/Aug/2019:11:02:09] ENGINE Bus EXITED
[27/Aug/2019:11:02:09] ENGINE Waiting for child threads to terminate...
* Serving Flask app "hassio_gassistant" (lazy loading)
* Environment: production
WARNING: Do not use the development server in a production environment.
Use a production WSGI server instead.
* Debug mode: off
INFO:werkzeug: * Running on http://0.0.0.0:5000/ (Press CTRL+C to quit)