Build failed. https://zuul.opendev.org/t/openstack/buildset/a9698ce433ae4ea681cad6adf7387084 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/71dc955e65194e2486fb38a8ef4fa64a : FAILURE in 2m 57s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/28549112ecdd46f5bc7adf10181c624e : SUCCESS in 3m 11s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/89736ffa67b9416a9938f7ce19a239df : SUCCESS in 3m 11s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/5d1912a776f74266a74858aa613969d7 : SUCCESS in 3m 19s