[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/c83db18ceb334458b8dad8758a3e87... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9f2b62018b324e56954ee8573ac08a95 : SUCCESS in 3m 57s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9c91ee8a80eb4b05b24776fab22e558b : FAILURE in 3m 23s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1fc82ec5b67a46db90577bba6419dab6 : SUCCESS in 4m 09s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/09234c779166425e98286bd3eb56c1d5 : SUCCESS in 3m 47s