I was able recreate this bug report until I installed python-gobject version 3.0.3-2. After installing that new version software-properties no longer crashes.
** Changed in: software-properties (Ubuntu) Importance: Undecided => Medium -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/911834 Title: software-properties-gtk crashed with AttributeError in on_treeview_sources_cursor_changed(): 'NoneType' object has no attribute 'get_selected' To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/software-properties/+bug/911834/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
