[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/b99294cd472e4bce906d0b1d56fc32... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/4352e0f8c79b44558ea2279350e7cecb : SUCCESS in 4m 14s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/fbc83a319512477abeb6a945920b5cd9 : FAILURE in 4m 09s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/7b13ed2f5a4c402a896f75b3cf842b5f : SUCCESS in 4m 05s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/056e3fa9113f4accb7f3670d9b7a9222 : SUCCESS in 4m 17s