Build failed. https://zuul.opendev.org/t/openstack/buildset/7ec158bf9ae74b8e8645a5f50bd27ae2 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/654b2fa3b4ff4337b07a2ac92971e69d : SUCCESS in 3m 46s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c6e4f23d2b684989a36735b4df30b34c : FAILURE in 2m 48s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/7768c713ee9d4e679ce08791eef7846f : SUCCESS in 4m 18s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f16fde31c4bd44bb9af30a2fe26770cb : FAILURE in 3m 08s