Build failed. https://zuul.opendev.org/t/openstack/buildset/e7df5150d7db46b68f6c9f9082961d7c - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9b707ff368e541b8840d54118b92e564 : FAILURE in 3m 36s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/0d3661b20ea34c77b59d2e6e86623f8e : SUCCESS in 3m 26s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d3e4d8698db74985bc85ad59b0df830c : SUCCESS in 3m 01s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/cedc8b99b5d04fdc919ec1eb588bcec8 : SUCCESS in 6m 10s