[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/d45487b816e04d9ba90b6e9f4f0c86... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b09c0c484ef445f2afacc06bb0cf0b81 : SUCCESS in 4m 01s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/6fc5e5162be54a398b2fc86bdc543e7c : FAILURE in 3m 10s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/3f1513f2175e453e907b67fafb35f75d : SUCCESS in 3m 50s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/bb9d585155294556b6022921a9d4a5e6 : SUCCESS in 5m 02s