Build failed. https://zuul.opendev.org/t/openstack/buildset/ccf8729b6386452991f6140f81da0786 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6818c66bccf94a348b09aed0d2153e98 : SUCCESS in 4m 54s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8c84e31b47c84ccc9a8e6106ce2071b7 : FAILURE in 2m 59s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/09c2a4197a08486bb7e73eace3893d90 : SUCCESS in 5m 19s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c8d5c7701d5a47aa81d39e502063b38b : SUCCESS in 5m 12s