disco --> public chat --> join one chat the JID goes to 'not in the roster' [which if you click and start to chat says errors] so we should avoid that
[18:03:09] python@conference.jabber.org is not in the roster (not in the roster) [18:03:11] <nkour> test [18:03:14] <python@conference.jabber.org> error while sending "test" ( Bad Request )