Build failed. https://zuul.opendev.org/t/openstack/buildset/8b38b065e05f494d80be99bae82dbf64 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/c45186ae69dd4885a0109db742a6084d : SUCCESS in 4m 40s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a7b50f45d3b14f9d9ea8a79c52c1c26e : FAILURE in 3m 01s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/017ec665cde34796992a0ab7b0f2f3ad : SUCCESS in 5m 18s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/2351d49e9a014adabddf6a31c4196751 : SUCCESS in 4m 24s