Build failed. https://zuul.opendev.org/t/openstack/buildset/cee9184f84ce40c0bee36b588a3260b8 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/8efa6632484e4e45b5a46a034cb0cf40 : SUCCESS in 3m 39s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/caa753ecc7dc4005a62ad76289df68b7 : SUCCESS in 3m 14s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/4c4179912f2e411d994c3e61d6b7f1b1 : FAILURE in 2m 56s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d2acd51d63f741719d7590a874f6539f : FAILURE in 2m 59s