[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/0b6fdf160b8845afb1809696323dc5... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/4ed0d6e70c5a4f3b8a19818cd564904b : SUCCESS in 2m 56s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/fbecf5de8f4146af89f589d0ac7c6405 : SUCCESS in 3m 01s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/5c816bae9a7c427eb54724795c298958 : FAILURE in 2m 35s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f55a3b9bb2424d7ab00f02215f716ed6 : FAILURE in 2m 39s