Build failed. https://zuul.opendev.org/t/openstack/buildset/2ab9ac9f446d4de5993ab90860ec4b38 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/09b1dcb8a90b4b7d92ac7506761f714c : SUCCESS in 7m 42s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1b261ad90e73422e8d7e62d6ca3e767e : SUCCESS in 2m 34s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/be70602d228d48709d55ea92d44f6fda : SUCCESS in 2m 39s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d8801d1c58ab402cbf36ffab2df2d66e : FAILURE in 2m 39s