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

Build failed. https://zuul.opendev.org/t/openstack/buildset/1565e07752bd406aa12aea797133c4... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/c7f8e837b1654a84bd11ae1612799079 : FAILURE in 3m 39s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1f8f7418df484489b967941935fe321a : SUCCESS in 3m 30s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/7b49c0ec23024cecb2845d26cd9e1e81 : SUCCESS in 3m 38s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f9e7ea0f3f0f45348676ea815e1537b7 : SUCCESS in 4m 00s