Build failed. https://zuul.opendev.org/t/openstack/buildset/3602d5d2713b4fe8838bd7ccbfee9e1b - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2a6ca812430f4ac194430589b89359a6 : FAILURE in 7m 40s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/78dd56d1704d476c9738c75cd4ab3cef : SUCCESS in 5m 57s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/57e20d82a9994bec9d16959820e07cee : SUCCESS in 6m 23s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4f69fb32625a4885b53292c16bbc19f6 : SUCCESS in 9m 27s