I tested the version of update-manger, 1:18.04.11.13, from bionic-proposed and did not receive the Traceback when I forced an AssertionError. I also saw the dialog boxes with the version of update-manager from -proposed.
I tested the version of update-manger, 1:18.04.11.13, from bionic-proposed and did not receive the Traceback when I forced an AssertionError. I also saw the dialog boxes with the version of update-manager from -proposed.