Build failed. https://zuul.opendev.org/t/openstack/buildset/e9b76a46058e447ca68b02e36368812b - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a48df33cabd64cb7b6ddb536826fc88c : SUCCESS in 4m 50s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/81320a07c3104609ac6a1c548e5ffdf3 : SUCCESS in 4m 37s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2f7684f8939f4009b68e3561b8a216d5 : SUCCESS in 3m 18s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/9b0d1ebb98234e51bea5a952f48072e9 : FAILURE in 4m 22s