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

Build failed. https://zuul.opendev.org/t/openstack/buildset/bcab7f7644244fc48ba1f8430b7b58... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/614cc275dc9245c59f54156c263b0fb0 : FAILURE in 3m 56s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/44b431501f8b42d289f61eb156f5429a : SUCCESS in 3m 53s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/53ecf0b0e757484da30c00771ec082e5 : SUCCESS in 4m 12s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/be69d3b5dc0e4161b5ac5f9509458998 : SUCCESS in 4m 05s