[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/ae5fb0ca37c84dc08439bfdac72f59... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ba36902bc0ed427e9bf53572271402dc : SUCCESS in 5m 29s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/62ea3ac556604cc4bb8544e369214d6e : FAILURE in 2m 57s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/4a138c186d664a82b5b933b7541a1e89 : SUCCESS in 4m 29s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/6a1bd7fbe0354fd0ba8370d4dcd795a2 : SUCCESS in 8m 11s