Build failed. https://zuul.opendev.org/t/openstack/buildset/e441661472bd44aa9c4f65955e0b3a09 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/79a9d39657be4475a460c4e44ecf4130 : FAILURE in 3m 48s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/dcfbd3331d1048618b0d0dd8c0c6d905 : SUCCESS in 3m 28s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0ce47763ccfb466fb1a466693c58e616 : SUCCESS in 2m 59s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/b331fac0c2fe47509374a78d4da5f4be : SUCCESS in 3m 17s