Build failed. https://zuul.opendev.org/t/openstack/buildset/1ad01405d9ea4d3b8d4ca40e35d3618d - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/48dd532a67ca4e77972ef48ed1d1f82a : FAILURE in 5m 09s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b11ee295fa9f4c43a8231029d68ec2f1 : SUCCESS in 4m 55s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/749f8aac2e044dd7be4b620922518686 : SUCCESS in 5m 01s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/fefb7a420c2d49208b57370256cb6d59 : SUCCESS in 4m 57s