Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/df4526acab214cc79f48625e05f523fc : SUCCESS in 7m 19s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/3f4df33d85f84bd9af030497e8e2391e : SUCCESS in 9m 46s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/7b1d7f6da120484fa332da0c2cb8a428 : SUCCESS in 9m 02s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/69dcd92d08a44dcfb2d2aadce91fcda0 : FAILURE in 6m 23s