Build failed. https://zuul.opendev.org/t/openstack/buildset/25a5189c1d374a6caf2d6119edec4245 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0a5fa92d4b7d48dfb90762df4d47c912 : FAILURE in 3m 28s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/22e770695c7b487eb9848caad02f4348 : SUCCESS in 3m 28s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d9352193f4f34a2a832cf8b25183d1cf : SUCCESS in 3m 23s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4f0d6b04b5504304aa8e219d70c691b5 : SUCCESS in 3m 30s