[Openstack-stable-maint] Stable check of openstack/oslo.service for ref refs/heads/stable/train failed

Build failed. https://zuul.opendev.org/t/openstack/buildset/a172a850f8974f83810c6707889cbb... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1b2120d5fab1437987d1e83e26ea4206 : SUCCESS in 3m 35s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/53063b43f1484dc7bf5660dd244c2edf : FAILURE in 4m 10s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1e1b833a5ed24b88b8684242ed359594 : SUCCESS in 4m 14s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/1db37013072b481ea62fe62495aab154 : SUCCESS in 4m 09s