Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/40f943845d8145e28d9f94c1a1b5e142 : SUCCESS in 3m 59s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/33cb1c378a2a4df0b4bcfd74cc4f43f4 : SUCCESS in 6m 57s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/affe7c07247d4943854067a42c699b32 : SUCCESS in 6m 39s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/3083247ba9164f6e88838fb8f70aeaad : FAILURE in 3m 37s