Build failed. https://zuul.opendev.org/t/openstack/buildset/a815fccfeb0c4bb9aa9c5cd7f2950370 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/31af684f7293420197d659aa52aec7e6 : SUCCESS in 4m 14s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/0e803e9d287f4dd6bc1c72ef63184b31 : SUCCESS in 3m 29s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/f6fd1e943829411d85c90f3ae22c4a06 : SUCCESS in 4m 15s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/6a3d296787ee4b89ac2fea4b981da891 : FAILURE in 3m 36s