Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a8264cfe2989452383226add8302c0fe : SUCCESS in 8m 54s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1f9e638bb89b4d5d8c3abbfeb9adf36a : SUCCESS in 6m 52s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b21da0f85ce149a1ad6ebbda53445405 : FAILURE in 6m 04s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/95b3e69d20924bbebddb3ca91b69c14d : FAILURE in 7m 16s