Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/cb33e891bc754631a05d26c235120451 : SUCCESS in 3m 41s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a0cce400e3234917b16ca3e0115d8c05 : SUCCESS in 3m 48s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/6d8994e969994026abc4f6af4c817fd5 : FAILURE in 3m 53s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d3a1e7b5e251445e974c254672e8c0b3 : FAILURE in 4m 46s