Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/c9a7a34d349d4acd8b3e79fabb4db736 : SUCCESS in 5m 43s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/aa36fcf14ab24655a5e5b600fb8efc65 : SUCCESS in 8m 00s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/c85ed0129a4042d4904348059c1aaa84 : SUCCESS in 9m 35s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/2c38cb33802f4e028e165b8d51acba69 : FAILURE in 5m 52s