Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2f39f365d86e4cdebfdeacb7d07cdcf9 : SUCCESS in 6m 29s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/bed7b6caa8a44dfd9de9d157fd76b50c : SUCCESS in 6m 57s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/aa7c3fcbcc6245f5b68806a93a7ad7fc : SUCCESS in 6m 32s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/cee602b8c205481b8dd555fbef2a332f : FAILURE in 4m 18s