Build failed. https://zuul.opendev.org/t/openstack/buildset/26af95fbee43496f8dc77318e5df7da1 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/11412606172b45cd932d7b10d3dd2762 : FAILURE in 6m 34s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/58dddaef7b2246f1923406a0359cfa67 : SUCCESS in 5m 36s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2c2d84f4fc6c465d8ae98529ed0b1b54 : SUCCESS in 5m 16s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/1040a6adb47f488a9242ebb3c60bcb35 : SUCCESS in 5m 57s