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

Build failed. https://zuul.opendev.org/t/openstack/buildset/734cf276a2f9456aaeac9c231e08bb... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/da1fe1d48101486e8773f6a8f8a23018 : FAILURE in 3m 07s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a492fc41aee74c3fbf91a57afa60abbc : SUCCESS in 3m 16s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/814955b461d44f10ad0681d005e5a358 : SUCCESS in 4m 17s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e38f7410a6da4bf1ba442dd68ee5f392 : SUCCESS in 4m 21s