[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/eaec4849559b441d93b7cdded8cc8f... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/27093797e6e94951b39ba8b470108ade : SUCCESS in 3m 29s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1ec58c4cf00a4302abfad3e1806eca8d : FAILURE in 3m 22s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d5507ad6b6b843efacc5a6f21f7ee253 : SUCCESS in 3m 42s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d96385fe39304c39963a9d574b63101f : SUCCESS in 3m 42s