Build failed. https://zuul.opendev.org/t/openstack/buildset/0ae00346cb1f4c5a961f5298787ce1cb - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f854e2177cbe41d580962a1ed1ff308d : SUCCESS in 3m 23s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/af6fcf4b70624d36b9d263b8306d8bc3 : FAILURE in 3m 04s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/db5b8fe98c7f4a91b36613a52621d624 : SUCCESS in 3m 31s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4a51a8137eda46ea9b903ca028fa5abb : SUCCESS in 3m 40s