Build failed. https://zuul.opendev.org/t/openstack/buildset/86e1e3816cfb4fea895a7deffd3a85a2 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/40e66df381324926b457f7db6a1d6300 : SUCCESS in 6m 02s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1aa02be4481b4386a854164205687555 : SUCCESS in 4m 35s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ff32ab99e5794fdea80703071b0e2a06 : SUCCESS in 4m 40s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c571fcd59d694895b4b0ab7398b0d3a4 : FAILURE in 5m 19s