Build failed. https://zuul.opendev.org/t/openstack/buildset/396ba7d244dc40d7910bd4f45e8fe836 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/246dd71b23084db1a284a639d3a96271 : SUCCESS in 3m 45s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f0ce4616d2404dfb99b87f7c84456203 : FAILURE in 2m 43s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/9e3cd55c0e4049eaa2732fb6271ff486 : SUCCESS in 3m 01s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/50be3cd73b2d452eb2c5db33a700f550 : FAILURE in 2m 30s