Build failed. https://zuul.opendev.org/t/openstack/buildset/c40df92cdbc94ba096289f2c351e411a - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6ae08574b63b49c8af42470d2fc8a356 : FAILURE in 3m 21s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/6bd6014508ef4a98a9084c562908ad9d : SUCCESS in 3m 32s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/82bc42b48d9a4d6480b32e1ce896a29d : SUCCESS in 2m 57s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/11dd6f98411240f0947d7dad5ca60dab : SUCCESS in 3m 27s