[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/948a48088b0d4ff4ab789da398781c... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/53a5069966a443a89fdc7fef8d28bd31 : SUCCESS in 3m 30s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1fe0a7a4d57449bab0f7bf8f4a617ad8 : FAILURE in 3m 06s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/957002706b6844dfaaa6132fefed2b39 : SUCCESS in 6m 12s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/3c2530cec0904179bd5190f3b1e5513c : SUCCESS in 5m 55s