TB on discover service
{{{ Traceback (most recent call last): File "/home/users/remik/svn/gajim/src/disco.py", line 640, in on_services_treeview_selection_changed self.browser.update_actions() File "/home/users/remik/svn/gajim/src/disco.py", line 1159, in update_actions if self.join_button: AttributeError: ToplevelAgentBrowser instance has no attribute 'join_button' }}}