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

Build failed. https://zuul.opendev.org/t/openstack/buildset/f65ab4d009cb48928b385c308eded4... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/32fefd9d36564759915c572da289ffb2 : FAILURE in 4m 07s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f3126f738c2d4662bb138f85df765349 : SUCCESS in 3m 43s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1faef5381af14a9ea8502e67a5241a43 : SUCCESS in 3m 21s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/2cdefee330874cf8802fffcdcf52b012 : SUCCESS in 3m 38s