Build failed. https://zuul.opendev.org/t/openstack/buildset/5339452a39074ad4b9d722db29972992 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/4a7068f722ea4fa5ac1eb3de4d56dfb9 : FAILURE in 7m 00s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/43b10c5cec384753956d39e0b94898fd : SUCCESS in 5m 15s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/dc8ceda83a494948a08778bc84cc2f16 : SUCCESS in 5m 33s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7656d88656cf479b89f30a434cdb9e79 : SUCCESS in 6m 19s