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

Build failed. https://zuul.opendev.org/t/openstack/buildset/30ad0392d90d4900a349ff3d2ab9ae... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0d82af7085344fabb9549cb4bc14e4ed : SUCCESS in 6m 21s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/5f6cc09487434201a5c295047a76ecf4 : SUCCESS in 3m 38s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/330cfbd5db504c17aa0ff345a0eeab60 : FAILURE in 3m 26s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/de10d4e34ecb4d74be1f46f4cc79f302 : FAILURE in 3m 18s