[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/44a54c4f302842cfa1b65df5554ec5... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f6f2d53bd70e49fc9d77fda5389082ed : SUCCESS in 4m 11s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/474713bc203c48ec9f461f509390fee0 : FAILURE in 3m 20s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/c128368e738d4f3a9de36a4ac15da9d7 : SUCCESS in 4m 48s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/37dc61aad3c549d688addbec69abb4c8 : SUCCESS in 4m 10s