Build failed. https://zuul.opendev.org/t/openstack/buildset/063c7f5e795d47ff9f606f993cd06d6a - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e65972e6160c4c529ebca0b208dba0d5 : SUCCESS in 2m 41s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/024af01ffc4549e5a71231c05049c0e4 : FAILURE in 2m 47s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/31099b7924cf47f18c344b315a36f0ee : SUCCESS in 4m 11s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f963ea6b825043eca83e17d69bb5cb95 : FAILURE in 2m 39s