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

Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/fb5a86baeca640f0bbf7e8ee43b59da4 : SUCCESS in 3m 26s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/22865a1c532e4daf8ce4decff6ee6c47 : SUCCESS in 3m 28s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/58a721f8de3c47e48c10218285bd4eab : FAILURE in 4m 17s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a626b2502b3a434084b6ec2bc6824f87 : FAILURE in 4m 23s