Build failed. https://zuul.opendev.org/t/openstack/buildset/72c5a45a5d854d3ab53830ab807e519f - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f2c69c60052b4787acb768b63dda7fec : SUCCESS in 3m 26s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/2c7f79123c2d4563a17d27f08fc35fa8 : FAILURE in 3m 26s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/bd6879eff664417e81a1a7120e9597bf : SUCCESS in 3m 51s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c0a4df0eb976418e9331a5c1e556ef02 : SUCCESS in 3m 52s