Build failed. https://zuul.opendev.org/t/openstack/buildset/2a14a12fb8d8468184c8515744e57266 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a718aead1bc849cda4f77c88369e73c6 : SUCCESS in 12m 49s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d154337d2207497e949875932250f20a : SUCCESS in 11m 56s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/c7bfb42ebe7f46f1bc78931460a7b081 : FAILURE in 6m 07s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d119b00477cd47ff93671be984c16ae1 : SUCCESS in 6m 24s