[Openstack-stable-maint] Stable check of openstack/oslo.versionedobjects for ref refs/heads/stable/train failed

Build failed. https://zuul.opendev.org/t/openstack/buildset/81223250ec7e48b6a4011fb68d8559... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/5ce9f6a1a86b42edaad196bd4463529e : SUCCESS in 5m 44s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/94b0734baac043ed9966afec074b3689 : FAILURE in 3m 03s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0cd32444bb75424cb21605d235047530 : SUCCESS in 3m 25s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7267156ff8ff4942ae0a68b89e983b15 : SUCCESS in 4m 47s