Build failed. https://zuul.opendev.org/t/openstack/buildset/2a1fe1f724f849b58511c2c728b5a2ce - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/4bef5852068043539d5e5396229e3bfb : FAILURE in 2m 57s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/56d50a78724640ca9d492c7492c4d763 : SUCCESS in 3m 16s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2ebe55b6a5b04d06ba179037c6245ae8 : SUCCESS in 3m 24s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/0dfb699ae4b5496faa98be2220f3e3f6 : SUCCESS in 3m 16s