Build failed. https://zuul.opendev.org/t/openstack/buildset/7e63d8d15e10497e9e3902e4de48f3fe - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6dc8d23a154d49a1872c84c06db73bc0 : SUCCESS in 3m 20s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/29c83574e62247e382208e333d1c227d : FAILURE in 4m 11s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d7d0330bfdea4c36ab96160b5ea58002 : SUCCESS in 2m 51s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/81fa593f181f434fb741dd7cacfbd512 : SUCCESS in 2m 59s