Build failed. https://zuul.opendev.org/t/openstack/buildset/df0d0675fe694c8eb32f3a9f5c5ad4a2 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0799258784b14381b7d0b6c724b4f921 : FAILURE in 3m 18s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/45e6e09b4b27425b87fdd93e730f5dff : SUCCESS in 3m 20s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/dd519721a5ad448692f6922e04758256 : SUCCESS in 3m 19s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/12eea355f0c541d4bbc08ae69893c799 : SUCCESS in 3m 34s