Build failed. https://zuul.opendev.org/t/openstack/buildset/942ef35f15444505945c2ffde44ac0c0 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d21b73af0a3b4b0e953d2fc8a409b8cb : SUCCESS in 3m 10s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/94a94ab96dc34adf8d2e5c655a2730ff : SUCCESS in 3m 39s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b1226373b8a3423e902346ca3c67f1c3 : FAILURE in 5m 00s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/3056939baa8f4af694a705035df458b9 : FAILURE in 3m 03s