[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/34e30c128429439a9fcf9bd49f04ec... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d65f2c6178bb4054836a1eea400fe763 : SUCCESS in 3m 55s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4465ffc12fa64da48718a5a82366197d : FAILURE in 3m 46s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d6af9550bd4340cf97f599a73d7c48da : SUCCESS in 5m 00s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/176c1a692ba84489a7c9a2e777b1f7cd : SUCCESS in 5m 58s