AttributeError: 'NoneType' object has no attribute 'is_groupchat'
Traceback (most recent call last): File "/usr/share/gajim/src/roster_window.py", line 3497, in on_roster_treeview_row_activated self.on_row_activated(widget, path) File "/usr/share/gajim/src/roster_window.py", line 3445, in on_row_activated if contact.is_groupchat(): AttributeError: 'NoneType' object has no attribute 'is_groupchat'