[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/2aaded239f9a4a12bb2990c48e2487... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/67c95ffc71f44a57a4e87abf3a1c0758 : SUCCESS in 4m 24s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/46333a7ad1b0419dbc7f6019f1604fdb : FAILURE in 3m 03s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/04f0559b15d0437b94fe872a2b014a14 : SUCCESS in 3m 43s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/463f298d770342ad94efbf64a6a775e8 : SUCCESS in 4m 10s