Build failed. https://zuul.opendev.org/t/openstack/buildset/6670afe0be8047c5a31cfdc17c1185f6 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/36feff0ebde04d12a8672bc2d0f60089 : FAILURE in 6m 42s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/2f2ee6421e9c4e45b121fad7e20ad380 : SUCCESS in 6m 24s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/6cf648edff9b4d2291e6d29921015438 : SUCCESS in 5m 52s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f61a0055bf1f45db8b58fea96e4cebee : SUCCESS in 8m 34s