Build failed. https://zuul.opendev.org/t/openstack/buildset/33f1bde32298447f8736a556ead0e35a - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2135bbd20c5f44fea2c0eac6b79b6f3c : SUCCESS in 2m 47s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9fa6c0f3b843495d99a3ac49b9cbbeef : FAILURE in 3m 42s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/613b8e4303174c30834c3801c5957c51 : SUCCESS in 2m 42s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/65264061ede3438b95911a8416511aca : FAILURE in 3m 03s