Build failed. https://zuul.opendev.org/t/openstack/buildset/091f26937ab546368b2a716f2f1d714f - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/04cb7364e05a471c9dce3c93fdf2652d : FAILURE in 2m 54s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1e73b81a5c1048d68b883f92da511465 : SUCCESS in 3m 01s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d5891b9d28dc4a859b0f59183cb8c567 : SUCCESS in 3m 23s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4de45ccd3e754c1cbb9d22c4117e506b : SUCCESS in 3m 27s