Build failed. https://zuul.opendev.org/t/openstack/buildset/26d2e5a4f8ab44a8b3d40c35271f04df - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e6a10df0a60d43098cc1ad23bdf8d72d : SUCCESS in 4m 25s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f1498dd978a047fcb2d2ffda34b0ba4a : FAILURE in 2m 46s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/fda69c3b5b05490ab7aa7f270caf51f3 : SUCCESS in 4m 30s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/063988a1e64d44768af54c871aae08b3 : SUCCESS in 3m 42s