[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/e9065956cd214888b828d1253afa4a... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/c42b75f072de46a292381c3472e7607b : SUCCESS in 3m 55s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/bffc5448767b426b92d9fe18cb814ae0 : FAILURE in 3m 10s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/24af2a95d0c6491e9bfa0a53928546fb : SUCCESS in 3m 27s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/dd1c251a288d4722a670f0b44d974ad2 : SUCCESS in 3m 47s