Build failed. https://zuul.opendev.org/t/openstack/buildset/3e51de602f8248c4b44e6b0e3cd155f9 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/5677c1c18ae943e099b5c152e9d8e29b : FAILURE in 6m 24s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/2c3161e3e5384a0195a8e168df60f4b4 : SUCCESS in 6m 12s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/11f2b54c20e64127a8abdd1d3adcc26a : SUCCESS in 6m 39s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7584c4479aa44cac8212faec9355ecaf : SUCCESS in 6m 57s