[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/0c8327c258fd4db7b97a66f681a84b... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/abbad9a81d1d4ddd9cded20ef71b39e8 : SUCCESS in 3m 46s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/631d4b2f70914e1d86a9a24a1864f58d : FAILURE in 3m 30s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d00871a2cc244c3f9974e2b23d6a98e5 : SUCCESS in 4m 53s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7471462ae7b7435dab5c49e2fb7f28ff : SUCCESS in 4m 56s