Comment 3 for bug 1893445

I confirm that when running the trilio-data-mover smoke tests we hit

2020-08-29 11:58:01 DEBUG ceph-relation-changed Traceback (most recent call last):
2020-08-29 11:58:01 DEBUG ceph-relation-changed File "/var/lib/juju/agents/unit-trilio-data-mover-1/charm/hooks/ceph-relation-changed", line 22, in <module>
2020-08-29 11:58:01 DEBUG ceph-relation-changed main()
2020-08-29 11:58:01 DEBUG ceph-relation-changed File "/var/lib/juju/agents/unit-trilio-data-mover-1/.venv/lib/python3.6/site-packages/charms/reactive/__init__.py", line 74, in main
2020-08-29 11:58:01 DEBUG ceph-relation-changed bus.dispatch(restricted=restricted_mode)
2020-08-29 11:58:01 DEBUG ceph-relation-changed File "/var/lib/juju/agents/unit-trilio-data-mover-1/.venv/lib/python3.6/site-packages/charms/reactive/bus.py", line 390, in dispatch
2020-08-29 11:58:01 DEBUG ceph-relation-changed _invoke(other_handlers)
2020-08-29 11:58:01 DEBUG ceph-relation-changed File "/var/lib/juju/agents/unit-trilio-data-mover-1/.venv/lib/python3.6/site-packages/charms/reactive/bus.py", line 359, in _invoke
2020-08-29 11:58:01 DEBUG ceph-relation-changed handler.invoke()
2020-08-29 11:58:01 DEBUG ceph-relation-changed File "/var/lib/juju/agents/unit-trilio-data-mover-1/.venv/lib/python3.6/site-packages/charms/reactive/bus.py", line 181, in invoke
2020-08-29 11:58:01 DEBUG ceph-relation-changed self._action(*args)
2020-08-29 11:58:01 DEBUG ceph-relation-changed File "/var/lib/juju/agents/unit-trilio-data-mover-1/charm/reactive/data_mover_handlers.py", line 71, in configure_ceph
2020-08-29 11:58:01 DEBUG ceph-relation-changed charm_instance.configure_ceph_keyring(ceph.key())
2020-08-29 11:58:01 DEBUG ceph-relation-changed TypeError: 'str' object is not callable
2020-08-29 11:58:01 ERROR juju.worker.uniter.operation runhook.go:132 hook "ceph-relation-changed" failed: exit status 1