Build failed. https://zuul.opendev.org/t/openstack/buildset/495f2d1eac57474abe373a801281fe0c - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/dda8a9cb631549a693ed94ab750bef12 : SUCCESS in 3m 39s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/16383d5f50e24c4a90518ee974ee3f32 : FAILURE in 3m 40s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/5f6349e7e1ac4161b66d4cbabc250be6 : SUCCESS in 3m 33s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/5ef566386d5a43e18fa418454a02cdc1 : SUCCESS in 4m 01s