Build failed. https://zuul.opendev.org/t/openstack/buildset/6e8c903a157a460aa314787b785fe2a9 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f1b3be2dc21a4ed7b7c289e2eaed25ec : FAILURE in 7m 14s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/89c74c464c92417c834d14c8de02b129 : SUCCESS in 5m 01s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/71747dd486284175beb91daf569ef57d : SUCCESS in 6m 20s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/9ade278ad2b746448e08fe26d066d558 : SUCCESS in 5m 56s