[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/218675db880941e1bf5acf978160aa... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/98172998fabb4a5cbd786bedf7a178c0 : SUCCESS in 4m 18s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1f6dd5ae3d194eb9a93538ff4d17de74 : FAILURE in 2m 51s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/38efbd49f61d4a4791ccf97bc29bff90 : SUCCESS in 4m 00s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/424cc69aad324f5cb254ab23212da36b : SUCCESS in 4m 28s