Build failed. https://zuul.opendev.org/t/openstack/buildset/567302b094f149e7b34be16883c718da - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/124b344285f6425cb55b9093c9b3fa7b : SUCCESS in 4m 56s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/5be553776fcc4f08bd7d03de8b7ffbe2 : SUCCESS in 6m 32s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ce00425412c54da6b93c43ec53c1c019 : SUCCESS in 5m 07s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/49f8516278f446189011a0de2bf90c77 : FAILURE in 4m 59s