Build failed. https://zuul.opendev.org/t/openstack/buildset/71ec366718274391b6b92eb486ae96a4 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/7cfdaf6900ef4230bb8323894a7fe264 : FAILURE in 3m 09s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/125d6463f572444aa88bc3ddd04f8698 : SUCCESS in 3m 25s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/49c16ede324642dda60bccf777d70617 : SUCCESS in 3m 16s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/edadd8d39374422d876bb96e6199f8d0 : SUCCESS in 4m 21s