Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ff0b8592f8684238a722911075756836 : SUCCESS in 4m 17s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/30ed31bbce154113ba5391ffaaddc63a : SUCCESS in 6m 59s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/df97a7c2250a419496b442c13e889b38 : FAILURE in 4m 46s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/0ca0bdf8eee8496ca32bafb30ef8c051 : FAILURE in 4m 16s