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

Build failed. https://zuul.opendev.org/t/openstack/buildset/01f437ee21574d0e879341fbaa73df... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/c42bd7f3dd1f4ffba6a38c500fcf33a8 : FAILURE in 5m 04s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/de1f91eb46da4bb6aaf1532a1c1e3b8c : SUCCESS in 3m 36s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/fe9a510d3def464195ff53bd659a0bee : SUCCESS in 3m 39s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/b0d6fa32c8ca43e5a6e8b11442a1939f : SUCCESS in 4m 09s