Build failed. https://zuul.opendev.org/t/openstack/buildset/5ff37c9f19dc424182ca04c0704938cd - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d2f26d355acc4d409971205620a1f807 : FAILURE in 5m 52s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/dfb1dde75ca94d00a2fc2b786c8ed527 : SUCCESS in 5m 18s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/f6a8074c904241b6919d97891564d3e4 : SUCCESS in 6m 33s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a5ff0f78bb514b13ae8edf8c42d5195c : SUCCESS in 8m 28s