Build failed. https://zuul.opendev.org/t/openstack/buildset/07f9caa4f5dc4b34a530c8d148e63c86 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/60e6c4100ed340f2a1efa36019dfbd6c : SUCCESS in 3m 25s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e92da7c480f94c9cb37e6b7600ecf192 : FAILURE in 3m 10s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/21e2f2b2a28d48409525c7774b658cfb : SUCCESS in 3m 02s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/cbe5a8d2699440a087a290cc8e3a78e6 : FAILURE in 3m 31s