Build failed. https://zuul.opendev.org/t/openstack/buildset/42c167dad4224175ae9c00d3b2ca306d - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/fea561c3faca43d4985a0a59dc62e4fb : SUCCESS in 3m 08s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/6c6eac7dd8d14f4998132ab816b7169c : SUCCESS in 2m 38s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/482cbe777f1c47beb037c20432ef221a : SUCCESS in 2m 42s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/1a016352be194c8bb25b14bb820ccc6b : FAILURE in 2m 41s