Build failed. https://zuul.opendev.org/t/openstack/buildset/7a087b754e444ba887ca56a6754c3857 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/12ffdd348c5940fe824cd21d8c314d5e : SUCCESS in 2m 35s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/dfc0672fd0594049aa678bc79529a62f : SUCCESS in 2m 44s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/8851a583f1dd46a3a9e320584bf7c77a : SUCCESS in 2m 38s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/197b8f8215a34095810a1aa8be2ec84f : FAILURE in 2m 40s