[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/29093ac0244b415eaa5155706f385d... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9878ad57ff85482f9c0cb5278ad32167 : SUCCESS in 5m 20s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9f8830256da6448a8a0d7f80b411b5e2 : FAILURE in 3m 17s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/766eea8673604f37892914f2de982c44 : SUCCESS in 4m 41s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/2f173394f0714fe0a78c4b78b09f22eb : SUCCESS in 5m 00s