Build failed. https://zuul.opendev.org/t/openstack/buildset/103c485d5aec41c5abaf25f582807d08 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/5bd66f8b898242e783e6baca821486de : SUCCESS in 4m 38s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/10ed2c4a5e994fa4b51d6fe131c6d57e : FAILURE in 3m 57s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/3df1a6fb5b734308a6f222e9b0666319 : SUCCESS in 4m 46s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/622b943a7c624d6a8ee0f0f5872e5886 : SUCCESS in 4m 49s