Build failed. https://zuul.opendev.org/t/openstack/buildset/b370890176aa48fa9122e3c18bf1d6f3 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9918ade0cde34e54a4d1dad8c175bbad : SUCCESS in 5m 36s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d37ebc8e36714c1dab0d10a6a1f08b65 : SUCCESS in 6m 13s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ea0d423aae054d36a72e5234b9a10426 : FAILURE in 6m 18s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/babb80a84b48446bacdac75cc2e8feef : SUCCESS in 6m 58s