Build failed. https://zuul.opendev.org/t/openstack/buildset/ee5d772c0f7f45c39daf02152cfec22b - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ee3faef4cebd49009e87a963de2e31ce : FAILURE in 6m 37s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b8cd00b6fb6f4a9ba6cf34f0a4ccd239 : SUCCESS in 5m 31s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/359befb0802b45129d0161cdd763d7ce : SUCCESS in 5m 35s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/cfdf901c2dbd47059105377b397a470a : SUCCESS in 6m 22s