Build failed. https://zuul.opendev.org/t/openstack/buildset/323ea105f1a543f4b1294fd0f0fc7010 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f170befa2c68486b971a28f321bee47c : SUCCESS in 3m 38s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/50b87ec082984f44964dfff2423ccf9d : FAILURE in 2m 41s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/db7b0842fd794eaaabf7bf5195945645 : SUCCESS in 3m 27s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/68258edf380041ec864a60eb6736fe00 : SUCCESS in 3m 10s