[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/66485976478b4c78ba2e688ea1997a... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/23e063f10001443f861f33c6675441db : SUCCESS in 3m 07s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/108a3d1abfcb459797335393353a84ea : SUCCESS in 3m 56s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/8f6df36550dc40b5aaf94cce34c10410 : FAILURE in 3m 25s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/cf76b4e85ab54d9783f0f73c9036bd83 : FAILURE in 3m 11s