[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/c50228b8b7894746b308975e412aed... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6247f911c65d40aeb157276f3ba6024a : SUCCESS in 4m 39s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/659fd3a08b704ea1b4c2544927b8c615 : FAILURE in 3m 50s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ad5200deaaad426397351ad858107fc9 : SUCCESS in 4m 07s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/57642507a7554b2e981dd4b615069303 : SUCCESS in 4m 14s