[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/d281675a554e47de9fd418bce4b5ed... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/700191242daf43bb9fefcb1814ea78d1 : SUCCESS in 3m 59s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/bb71146d0bd646cfad8d3e29eee5a05f : SUCCESS in 3m 34s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/21271bafe61841d58439b4da1ed7ad55 : FAILURE in 3m 39s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/bc3ea7e0bdd34678b8ddfa40c1552900 : FAILURE in 2m 41s