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

Build failed. https://zuul.opendev.org/t/openstack/buildset/49f3d9fdf1ee491d92162eb0a45ef6... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/5d2bdb2883be4a59967e2dd1d05c3be5 : FAILURE in 3m 10s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/543f8ca195d74744826c77afef988a38 : SUCCESS in 3m 21s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/3fc4f20365bc43f680e4ff18253bff1a : SUCCESS in 3m 12s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/532cf002c34b43d1805ee5197fccd9c2 : SUCCESS in 3m 43s