Build failed. https://zuul.opendev.org/t/openstack/buildset/34762eed16934afdb0108c06633e9ae2 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2393c0ca196746a1a62dd304da340d69 : SUCCESS in 5m 49s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d3a0ae8b338e43ec9163bc1d6f400fdd : SUCCESS in 5m 57s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d7072ddf862248d3994e275c4cb4ca1c : FAILURE in 6m 16s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a2ef8a1037574f298c533fcd8df5e001 : SUCCESS in 6m 50s