Build failed. https://zuul.opendev.org/t/openstack/buildset/3a52ef43cd234ab8b9124484fda8ffc2 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b72635cc99e0429982b7e648d206d3af : SUCCESS in 3m 23s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/eabf4190ebad436094001b423156008e : SUCCESS in 2m 49s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/c40493b3ad1445b0a6b775d09ce00459 : SUCCESS in 5m 10s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/6b9a6f30abb7422fb97beb04a9a9e8da : FAILURE in 2m 54s