[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/26aa270f2e19443f91d0f699cd5856... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6cb258c887c94f8787747fe74210b62e : SUCCESS in 4m 10s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9bb8675ecac44835b12414d170510a73 : FAILURE in 3m 00s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b63754090bea47ddb74a86972fe64a0f : SUCCESS in 3m 26s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e90871a7da67488c907a26cfa5bd7a19 : SUCCESS in 4m 25s