Build failed. https://zuul.opendev.org/t/openstack/buildset/d6d73e7cf3d34ae5a72b04375749b6ca - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e4871ea99aa74cb39705a1ca88ef3a6c : FAILURE in 6m 50s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/abfc788ec9294181ba59f39444cf4f22 : SUCCESS in 5m 21s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/8b4ffe90061f40e0858fe021e708b938 : SUCCESS in 5m 43s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/978102afb95e4a6298b5b02e7afef041 : SUCCESS in 6m 38s