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

Build failed. https://zuul.opendev.org/t/openstack/buildset/29e3641c90f746e8b15b231359665e... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/61229263440c4264a69c29383684694c : FAILURE in 3m 26s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a4dbde282983439caa5488aafb476a47 : SUCCESS in 4m 03s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/9e6d7890b12f486587380b4185a9e67a : SUCCESS in 4m 32s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/5fba95efd2e24416875dbf8f3b4e486e : SUCCESS in 3m 47s