[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/239a66b7c99b472aa7f89a876f2d71... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b153592a013d42a19a84b677885246ee : SUCCESS in 4m 24s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/de35cfe169874419ba548fbf0a6a44df : FAILURE in 3m 04s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/239b6ffbaf394b3f83bd455635030850 : SUCCESS in 4m 38s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/dfd3f3b512be461381ce0cd67b65d053 : SUCCESS in 4m 37s