Build failed. https://zuul.opendev.org/t/openstack/buildset/cebb769a720948b6babf548023ab68a8 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/c4a03fb065e94127aa0bde6332929a38 : SUCCESS in 3m 52s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/11d16027b2114c76afc307e5c7564d6a : FAILURE in 3m 10s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/de83437b0eb346188b157884de18722f : SUCCESS in 2m 44s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/6cfa5a46e6d14f60ac95f86757cf2e09 : FAILURE in 2m 43s