[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/96e83affa4ef45688a08d1bf1204ac... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0817b3a847764835b5c1e289af297fc0 : SUCCESS in 4m 10s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4362f84890f14ece8eb2deafe734d80a : FAILURE in 3m 31s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/48f8ca2f860c40278f6ccc026bad6e3a : SUCCESS in 4m 28s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/afeaec29b5f6456eb83d6dac44a29539 : SUCCESS in 4m 29s