Build failed. https://zuul.opendev.org/t/openstack/buildset/d44d939b9be948ff98ed5f1bb6f9e68a - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/aea509b8b6a446198c470f21d757f1ba : SUCCESS in 4m 44s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/0da552d07bda4d4abb9929777872ca10 : FAILURE in 3m 34s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/eea467ce21b547ee8f411a9ad1686d18 : SUCCESS in 4m 18s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/96ce07eb497941ca92133b3ca540a036 : SUCCESS in 4m 24s