[Openstack-stable-maint] Stable check of openstack/stevedore for ref refs/heads/stable/train failed

Build failed. https://zuul.opendev.org/t/openstack/buildset/b6d8fbcf386c4c0bac6230e91ad0dd... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0c15560072d8440cb92d6d1c628a8d27 : FAILURE in 4m 15s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1f6d28caa0064ab7a5d9b7a35071b0c0 : SUCCESS in 4m 10s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/14d8b76cb734450ba5b81024a233d586 : SUCCESS in 3m 38s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d17576b4eecf49f4bd834da7ace94553 : SUCCESS in 4m 18s