Looks like this is probably causing the failure:
https://github.com/openstack/oslo.concurrency/commit/7c7493feb53429577efca2c4b0380af03ddc149b
Looks like this is probably causing the failure:
https:/ /github. com/openstack/ oslo.concurrenc y/commit/ 7c7493feb534295 77efca2c4b0380a f03ddc149b