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

Build failed. https://zuul.opendev.org/t/openstack/buildset/47208b09275640b1b5cd610e8b8b5f... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1bf6f2a774c9476eb0edd64155159807 : FAILURE in 3m 13s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e1bc53d2309e4da0bfcc7464ba151e4c : SUCCESS in 3m 30s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d0cb67f4e6d4498497ee33c76923bd81 : SUCCESS in 4m 34s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/27a6f1c7b32d4556830d0f6fc3d3bdcd : SUCCESS in 4m 55s