Build failed. https://zuul.opendev.org/t/openstack/buildset/c9cac4a0c1f049309b3da6f7741f05a5 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b6f382531d444116b2a31ccec2589c56 : SUCCESS in 2m 58s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/3122fbda78a34b59a0f77267d6ea014a : SUCCESS in 3m 56s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/364968de71874ad69cee4be94615755d : SUCCESS in 3m 45s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7d73aa3a09dd48ceb9c4cfcd3601dd99 : FAILURE in 2m 40s