Build failed. https://zuul.opendev.org/t/openstack/buildset/f311c0a74df648228f88337e0fca88ab - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/86559ba97874465f8a1d78dddaeee4c2 : FAILURE in 7m 08s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4ebf49f22e8946c4af26365d42c62a31 : SUCCESS in 6m 39s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a5dd10d2e5ca46e8b9baa46b1f99b668 : SUCCESS in 7m 26s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/888582ead8784791af0e58bdabc7d20c : SUCCESS in 9m 11s