[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/43c245c96b184ab4af8a80afe69cd2f8 : SUCCESS in 5m 47s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c9216084b13e440ba13d0e9001b2a3fc : SUCCESS in 6m 13s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ae21e77d83834d4eac77b59930a77452 : FAILURE in 4m 40s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/49ae3a7693184bb09cdcab8088e1bd23 : FAILURE in 5m 58s