Build failed. https://zuul.opendev.org/t/openstack/buildset/7a231b3ccf7940a18e69bb9ac9d65c64 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/fc2c124f92d940cb8453e21a9e9c74c1 : SUCCESS in 2m 41s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/5381ef0417e847d1a16f72df9dd28429 : FAILURE in 2m 47s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/8ec4d7cf65a24f749b9397410a4b3a21 : SUCCESS in 2m 28s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f76aebe27ffe443198e544958c3c327b : FAILURE in 3m 19s