Build failed. https://zuul.opendev.org/t/openstack/buildset/744e0e979a27422c9ac16658f1cf1bba - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6e7d08ed93cb41e4be6078a8949bb871 : SUCCESS in 3m 39s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/594329cd6746425e82afbfdbf890369b : FAILURE in 3m 12s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/5d931aebcee64298a37f458bc9ad29e8 : SUCCESS in 5m 12s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a1990ac6ae174ddeb5d3d8d653bd8192 : SUCCESS in 5m 37s