The referenced function is incorrect. It should be using this function signature https://opendev.org/openstack/charm-ceph-mon/src/branch/master/lib/charms/operator_libs_linux/v0/apt.py#L805 and looks like fallout from the migration to operator charm.
The referenced function is incorrect. It should be using this function signature https:/ /opendev. org/openstack/ charm-ceph- mon/src/ branch/ master/ lib/charms/ operator_ libs_linux/ v0/apt. py#L805 and looks like fallout from the migration to operator charm.