Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/8dab31544fd44305a5687a483be14a5e : SUCCESS in 7m 41s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/3fdd2f2af8f1414c8ffc88dfff08da00 : FAILURE in 6m 52s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/5786e7aef10f496fa509f4ca820122d5 : SUCCESS in 7m 25s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7a0434fdc2bb42a79359c326e1159dd5 : SUCCESS in 8m 11s