Build failed. https://zuul.opendev.org/t/openstack/buildset/aaa9b2a766984e5ba44ce796d9ccfbc3 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/202ebf4fa9ea4a5fba00d6c5984f708f : SUCCESS in 2m 45s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/69d9126c678141e6ac13504087c400dc : SUCCESS in 2m 57s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/377f0dabc94844b78e8b5516864be8f5 : SUCCESS in 2m 47s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/fe3cf38cb7884e0d97aea7b779fef3a4 : FAILURE in 3m 34s