Build failed. https://zuul.opendev.org/t/openstack/buildset/67edae05845f4172a750ea72535c329b - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9f0ca566ac4a49559bab02fb62536a20 : FAILURE in 3m 01s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/fa3645efc75c4a4f8ebab409446695c8 : SUCCESS in 3m 11s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/4afb8bd2d4b14bafa04b6a22b9dd5fd1 : SUCCESS in 3m 37s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/6874411acce24d04bf63223d08582ca6 : SUCCESS in 3m 24s