[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/93c87a45b54b4a98890e7d882883ff... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ddcc63fbbc124a349cdf7aed77d8448e : SUCCESS in 2m 55s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/7ca0613fe681494bba0f5f6318ddf537 : FAILURE in 3m 43s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/3a168d67f17e489fabfc822ce551c70f : SUCCESS in 3m 23s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d4c8ac8b36b545609dc443b0f7c08b5c : SUCCESS in 3m 12s