Build failed. https://zuul.opendev.org/t/openstack/buildset/27eb1952f2ac404885dcaf3c876b0fbc - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/272c02720a0a414d8906a081c4f80e18 : SUCCESS in 3m 53s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c4db9cf9232348db930c3ef158ffeb4a : FAILURE in 3m 58s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/036abe1b0eb4442caf43515131d1aaaa : SUCCESS in 5m 14s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/2c3c70eebed34a6db7be784ec1cf464e : SUCCESS in 4m 03s