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

Build failed. https://zuul.opendev.org/t/openstack/buildset/8dbb414e926f43478fd74eb3ee3e07... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/3f7b2e7a67224490a434662cdf1b0079 : FAILURE in 3m 18s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/bd40f1bcd1fa49dabe378904f92fc5da : SUCCESS in 3m 17s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d094d9b58681407893e0e7aca041ee27 : SUCCESS in 3m 20s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/9b86cc0924a64efb87015622e52c9873 : SUCCESS in 4m 23s