IMO, this patch in oslo_db should fix this issue - https://github.com/openstack/oslo.db/commit/c432d9e93884d6962592f6d19aaec3f8f66ac3a2
IMO, this patch in oslo_db should fix this issue - https:/ /github. com/openstack/ oslo.db/ commit/ c432d9e93884d69 62592f6d19aaec3 f8f66ac3a2