[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/ed015b35d50f48eaaeecbc5a65e234... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/982a6edb8ad248b2acfa04ad1b34cd39 : SUCCESS in 3m 42s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d65130855d7e416b86afa9493d762533 : FAILURE in 3m 56s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2efc6cac7e8941f8bf4611fbe56d7830 : SUCCESS in 3m 32s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/92dbc398b51a4364a7859cf046c87697 : SUCCESS in 4m 02s