[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/a281b7c2dacf40c29c9901ef17b749... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e62e497047ae423898aa4b9d7d8dc1b0 : SUCCESS in 3m 40s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1a0b2ba9190e4c4ca507286776164160 : FAILURE in 3m 18s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/e249db6d650347fc9b31f5a5662b15fb : SUCCESS in 3m 53s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/3915c87176d9491c83999bd172215efd : SUCCESS in 3m 47s