Build failed. https://zuul.opendev.org/t/openstack/buildset/bfd7df9f10c04f8e97dcccb1ab805eb8 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/429faf901bcd4f28a13c52722fa3ff4a : FAILURE in 2m 57s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/15caa87f14bd4a16b8f24c9d215e9b0c : SUCCESS in 3m 26s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/405a6ca7a37344ee8b085287427aa68f : SUCCESS in 3m 28s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/97abc3616cb748de9a2359dc3fa308fc : SUCCESS in 3m 26s