Build failed. https://zuul.opendev.org/t/openstack/buildset/cfb74ce60f6b47179d11c9df832e8c0f - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b2a84fb6f310486dacdf14e37414735b : SUCCESS in 2m 41s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d5fb4e5b05384bc390619c74d4f422ac : FAILURE in 2m 50s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/54dc35d302204d95aa35170142e86426 : SUCCESS in 3m 52s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/5d0b45a968304380b88c7e176403d2c1 : FAILURE in 3m 34s