Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/efbea1a68d494aa8b1bba72c7361e36c : FAILURE in 10m 53s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/3eb8a368d3f3449fb3fd8d07f4677795 : SUCCESS in 7m 53s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/32ba011a89884d64871cf2cd182944ed : SUCCESS in 8m 16s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/0bbfef6b59f74874b02ce1394e4e99da : SUCCESS in 9m 11s