[Openstack-stable-maint] Stable check of openstack/oslo.db for ref refs/heads/stable/train failed

Build failed. https://zuul.opendev.org/t/openstack/buildset/84738d0d520747349c4a7c54dfc86d... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0d7cc37942b249a08cc6189340c9626d : SUCCESS in 5m 46s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d51def71dc4c43ca963d9e373f623e7d : POST_FAILURE in 7m 43s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a5ea7c9b717f49ffb8c52e2bbcef432b : SUCCESS in 5m 08s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a88d6f490e244752872163eda84ec33d : FAILURE in 6m 23s