Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/19c6107766064f29bbcf2d8215ea9c7c : SUCCESS in 9m 15s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/88f7e8564cae4f709b0d565b34099781 : SUCCESS in 9m 36s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2fa71122cf7f469f934c53e0e3958ff5 : SUCCESS in 9m 12s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a90c2d382b3f486186dc3b514fe5916b : FAILURE in 11m 15s