Build failed. https://zuul.opendev.org/t/openstack/buildset/209ecf3cfc2c4ab7bb3c77a9e429eb3f - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ff84ab33352f4cadadd798d2ed910d17 : SUCCESS in 4m 18s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/cb96dd988a41492c8ad23c0790fae485 : SUCCESS in 3m 19s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/86a6457d59c242969d40a883b7ef0d65 : SUCCESS in 3m 46s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f6a2a97071ed4a4ea024bc5613d3e285 : FAILURE in 4m 42s