[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/d98ef973a49f469f837d6da54836e2... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/79ecbd4f02244eb997b40f7659140ae3 : SUCCESS in 3m 47s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a2f67e778d304457bfef7370521e2b3d : FAILURE in 2m 51s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ef4b95dd25d14f0f806dfbf87a1b0644 : SUCCESS in 3m 30s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/2afc68674a18451db1e245ca796e5a2d : SUCCESS in 3m 48s