Build failed. https://zuul.opendev.org/t/openstack/buildset/6ea4c88bf5c7411bbc0936841a0c65bb - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/40f283a78329407d8667816086c4066d : SUCCESS in 13m 53s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/ed87a39197404e138a12f5b4fdc40739 : SUCCESS in 10m 00s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a32e9f10643847e9adad0838421b08b9 : SUCCESS in 8m 14s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/05e207567c8548a9a96eb4b30dc6f435 : FAILURE in 9m 32s