Build failed. https://zuul.opendev.org/t/openstack/buildset/78d76caace764c50a6e07b18744ecfa3 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a2c8a597912d4fdd910ea663ef18c533 : SUCCESS in 5m 16s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9c631ac68d8f466bbc0fc9f5558ebfa8 : FAILURE in 3m 04s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/81946de8f59f44acb28c72ecb973a02b : SUCCESS in 5m 00s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/da0e93f4bd544611aa835ac29028b33a : SUCCESS in 3m 35s