Build failed. https://zuul.opendev.org/t/openstack/buildset/55d45d63a1b546de8e02d02edf1d8b69 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9fdfec77abbd4a7f86665b272108aed4 : SUCCESS in 5m 36s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/77d20235870a4e7ca19faa71f43b4af8 : SUCCESS in 7m 12s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0f2be8d338ad488d842558a21837cb13 : SUCCESS in 5m 30s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/1ed300b205e14dc6914cabf664b2fea7 : FAILURE in 5m 07s