Build failed. https://zuul.opendev.org/t/openstack/buildset/f6554b9cd887456ab58eb827f804eea8 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/01d86e3b1e8b4c68b561d13d9f77b5e7 : FAILURE in 3m 17s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/3343c34c43fc4d8a99b50c759290fab6 : SUCCESS in 3m 41s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/7b244469316e4c7b9b7d880b113687b3 : SUCCESS in 3m 11s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a40ced2abf344507af24e2456194114d : SUCCESS in 4m 56s