Build failed. https://zuul.opendev.org/t/openstack/buildset/f2a1289a666d4a85bc8a67eb8a5a6e89 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e66db845e6e4434a912453b49a196b3c : FAILURE in 3m 45s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4b589b41bc1d47508b3fc6fbc42fb5af : SUCCESS in 3m 23s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/3f80dfebac66453d8de9f91ed428adcc : SUCCESS in 2m 45s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a3249b1bd70e4a2789c4f794ca7aa350 : SUCCESS in 4m 02s