Build failed. https://zuul.opendev.org/t/openstack/buildset/71171bdf73ea4fa6b91a5aa56c04b4e7 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/21e67784d1da470f9e006a0ccf89f8be : FAILURE in 5m 29s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/abb2d9b3ddb14e4886546aa1421179f2 : FAILURE in 4m 38s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/bfc66a5d09dc46abb09cbe06ed254a7b : FAILURE in 4m 38s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c9849a48ab5a42548bedea1fc4e43244 : FAILURE in 4m 58s