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

Build failed. https://zuul.opendev.org/t/openstack/buildset/19b3502465454221b5911370b6a32e... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/5fc53fd06438418d80d93983281d2ed1 : FAILURE in 3m 17s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/29efe7a35bb5461984b8a4d5beb793b3 : SUCCESS in 3m 10s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/bdbf3d5a89564fea967e05970c9bb9db : SUCCESS in 4m 57s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7b32d6e768844952ba7da01aa7c8c8db : SUCCESS in 3m 21s