Build failed. https://zuul.opendev.org/t/openstack/buildset/5770e1fb57cd444c9595331f53e6d613 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/7d3e8de8b46446239918376be67619ba : SUCCESS in 4m 18s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a9582a0282a64a4db37f383038aa6f13 : SUCCESS in 5m 30s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/70fcfe5f0b8d49c59ff4bda9c650b7ab : SUCCESS in 6m 14s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/2b726d7b827b47aa9ec149118b1b7083 : FAILURE in 7m 41s