Build failed. https://zuul.opendev.org/t/openstack/buildset/e0b6397896284a7eab32ee0913d54bfa - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0a1f2459fd5447748797533785b4eee3 : FAILURE in 3m 07s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/0d36bb7c40ad41f8ba724ddcf449a115 : SUCCESS in 3m 15s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b0b806177bf846bbbc731aa4c53fad68 : SUCCESS in 3m 24s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/919d0ba6bc2b447bacfe22e454bf630a : SUCCESS in 3m 15s