[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/bf10d62052244eaabca644a7835ade... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a367941cce5b410689254b98ff8ccd49 : SUCCESS in 3m 38s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f7b3dadb9bf047469ef42be369f02543 : FAILURE in 2m 30s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ad57ca09137844f89a456bda36c647a4 : SUCCESS in 3m 15s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/43a2edec0aef4a55a850e29bb4505115 : SUCCESS in 3m 42s