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

Build failed. https://zuul.opendev.org/t/openstack/buildset/43df2bb8864c4f23836c06f011c8f0... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/713e69e20fb94bdf9676632d610f3e3b : FAILURE in 3m 34s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/fa651d2752924d8ebc4efa5bb339c090 : SUCCESS in 4m 37s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/337bcbdce0064818af18a9236f2fcbb8 : SUCCESS in 4m 34s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/37fafc9336f24e469dbf4b8bf7858335 : SUCCESS in 3m 41s