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

Build failed. https://zuul.opendev.org/t/openstack/buildset/c30e0610ffc3490ead1667a7676508... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ca76cc72f2b84bc48403fd6359120151 : FAILURE in 4m 45s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/dfe7aab7960242c58a3cd8fd251be756 : SUCCESS in 4m 31s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/abf887d1177c482184496af839a511af : SUCCESS in 4m 10s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/fddd825076a5447e9048bce1ecd3d67b : SUCCESS in 4m 50s