Build failed. https://zuul.opendev.org/t/openstack/buildset/7d3284782fee4e6493e4fb7f9c3de210 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/981c0ba4d2574d76a413949e948401df : SUCCESS in 3m 30s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9fd5b05ff57547dca9b167a8f0f8ad81 : SUCCESS in 3m 24s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/e2ac115287d94f9491c3f3c01f4981bd : SUCCESS in 3m 04s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/5a25ed93855e4a5e82a5df7fae64fb0b : FAILURE in 3m 17s