[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/b86d452e880845e5867ca00079b0ad... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/eedd584606524f84aa8564742ebfd6c8 : SUCCESS in 3m 07s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/2c5e9cb19f2d4b4881b2e7f7bd16a34d : FAILURE in 3m 37s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0142580c56e64dd68d0615bf3c6d1f5f : SUCCESS in 3m 16s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/3467f87abd22402bbbe131e726a955bf : SUCCESS in 3m 36s