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

Build failed. https://zuul.opendev.org/t/openstack/buildset/7d2c4d68d77f4a329fa1de8fbd9838... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/79116047f91846e4aa74875641dc2a35 : FAILURE in 3m 31s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/3ba925163697415588ccc0aad77788f5 : SUCCESS in 3m 39s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/91ff0c25337a47649bf375ee01c76afd : SUCCESS in 5m 21s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/9569889d65204d77a40c919360b32be6 : SUCCESS in 5m 42s