Build failed. https://zuul.opendev.org/t/openstack/buildset/ef6b48de6392433aa76546270ba01c06 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/4eca6668e1214bce9d75e7b3b1aa05a2 : FAILURE in 5m 04s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/026193798fe948b88e5001a52d651ee3 : SUCCESS in 4m 48s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/39114a7e9f9e4eb8a480bca828106cdf : SUCCESS in 6m 03s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/49cfdb7afddd4bd8af7242c603f3be43 : SUCCESS in 6m 32s