mod_http_oauth2: Gracefully handle cache write failure Would previously have thrown an error and probably returned a traceback. This would only happen if a *lot* of authorization codes were requested in a short interval.

module:hook("message/host", function (event)
	local stanza = event.stanza;
	if #stanza.tags == 1 and stanza.tags[1].attr.xmlns == "http://jabber.org/protocol/chatstates" then
		return true;
	end
end, -10);