Ceph

After upgrading a Ceph cluster to 14.2.17 with ceph-ansible (docker containers) the manager hits an issue:

Module 'volumes' has failed dependency: No module named typing, python trace:

2021-03-12 17:04:22.358 7f299ac75e40 1 mgr[py] Loading python module 'volumes'
2021-03-12 17:04:22.458 7f299ac75e40 -1 mgr[py] Module not found: 'volumes'
2021-03-12 17:04:22.458 7f299ac75e40 -1 mgr[py] Traceback (most recent call last):
File "/usr/share/ceph/mgr/volumes/__init__.py", line 2, in <module>
from .module import Module
File "/usr/share/ceph/mgr/volumes/module.py", line 10, in <module>
from .fs.volume import VolumeClient
File "/usr/share/ceph/mgr/volumes/fs/volume.py", line 13, in <module>
from .operations.subvolume import open_subvol, create_subvol, remove_subvol, \
File "/usr/share/ceph/mgr/volumes/fs/operations/subvolume.py", line 8, in <module>
from .versions import loaded_subvolumes
File "/usr/share/ceph/mgr/volumes/fs/operations/versions/__init__.py", line 9, in <module>
from .subvolume_v1 import SubvolumeV1
File "/usr/share/ceph/mgr/volumes/fs/operations/versions/subvolume_v1.py", line 9, in <module>
from typing import List, Dict
ImportError: No module named typing

This results in a Health WARN