Build failed. https://zuul.opendev.org/t/openstack/buildset/b3142d6a24534f6da0c9ef6124aa8c7e - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/16def6b43cb04bf2a3f6dc38d5fef9a4 : SUCCESS in 3m 26s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b7f690b9b81d48d1ba5b8191c24245ae : SUCCESS in 2m 47s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2d4b13d7991e4ce38458efa258f4d6dd : SUCCESS in 3m 25s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/b0608c93259649c29e75b7c06169e818 : FAILURE in 3m 04s