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

Build failed. https://zuul.opendev.org/t/openstack/buildset/daeb980b37814ec18b7633b0c02351... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a01d0bb134b04286ae54a20a92cbc67d : FAILURE in 4m 52s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8a794d5a43534caaa608640abb5e81bd : SUCCESS in 5m 38s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/7a353b0c36ee48bbae607614e4a919cc : SUCCESS in 5m 49s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/1e2d515b085f4ee38c13d15d9564b796 : SUCCESS in 4m 49s