fix TB when error in FT. Fixes #2418

src/filetransfers_window.py

@@ -450,8 +450,10 @@ _('Connection with peer cannot be established.'))
 			for ev_type in ('file-error', 'file-completed', 'file-request-error',
 			'file-send-error', 'file-stopped'):
 				for event in gajim.events.get_events(account, jid, [ev_type]):
-					if event.parameters[1]['sid'] == file_props['sid']:
+					if event.parameters['sid'] == file_props['sid']:
 						gajim.events.remove_events(account, jid, event)
+						gajim.interface.roster.draw_contact(jid, account)
+						gajim.interface.roster.show_title()
 		del(self.files_props[sid[0]][sid[1:]])
 		del(file_props)