[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/7f293caeb6dd486d98573003a98ca0... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/4107ce1bc49240ea932688098cfb94ab : SUCCESS in 3m 30s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b1f71c0df69746098d183b7c6b62c795 : SUCCESS in 2m 45s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/be17b4214b9541299bed7c565faad0b0 : FAILURE in 3m 14s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/41bbee27762f4b1ba49806a9a38b9775 : FAILURE in 3m 13s