crash on renaming group
rightclick on group, change name, press enter:
/usr/share/gajim/src/roster_window.py:2513: GtkWarning: gtk_tree_store_sort_iter_changed: assertion `G_NODE (iter->user_data)->parent != NULL' failed
model.set_value(iter, 5, False)
Gtk-ERROR **: file gtktreestore.c: line 583 (gtk_tree_store_get_path): assertion failed: (G_NODE (iter->user_data)->parent != NULL)
aborting...
Aborted