Build failed. https://zuul.opendev.org/t/openstack/buildset/8d49c57816ab49d8856ba51031bd1650 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1a2d2b7ef5584de09592efeab66c338e : SUCCESS in 2m 57s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/14b2ade4dad644d79310ea12023f376b : FAILURE in 3m 21s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/415f782d259f4e4c80e3967e4aa0c047 : SUCCESS in 2m 39s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d5d9f23586e64e78be208d8467f110a4 : FAILURE in 3m 25s