Build failed. https://zuul.opendev.org/t/openstack/buildset/ad544c2d6a3b49ad97ccf2b3040a35b7 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/84506346819b4456a538655a54c98c8b : FAILURE in 3m 26s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/625484f882a843c19e496a644dc80fbf : SUCCESS in 3m 27s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2c970529faa34ccdb1da063a5c55847e : SUCCESS in 3m 00s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/06bc76fa3df247dbaa65f952fa6d7189 : SUCCESS in 3m 31s