Build failed. https://zuul.opendev.org/t/openstack/buildset/60e947155265499181be1da7f25777ff - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1bc0df6b8dde4ea7881373bb1bd12e17 : FAILURE in 4m 03s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/db91be6d51ba4094b2c9c91eee4cb658 : SUCCESS in 5m 03s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/15a1340f5261416d8937d3bdb3f35237 : SUCCESS in 3m 03s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/8a5747d4d5484e35be8c5f376ac431ab : SUCCESS in 4m 46s