Build failed. https://zuul.opendev.org/t/openstack/buildset/02833360c27d471981ea1e48072f8c2d - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/32254a6b43c447219c53d0a1f7803638 : SUCCESS in 3m 29s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/acddf2587380426889b222ae1f9db1ee : FAILURE in 3m 37s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/3f66aa52e0c041cba03e5164000e25db : SUCCESS in 3m 49s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/0ba569953d3d4dd981ee2710dc6fc9d3 : SUCCESS in 3m 34s