Build failed. https://zuul.opendev.org/t/openstack/buildset/d0d8ff7bcab146f881842e9b8ff243ba - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/161d438581184c829c1f426379d163a2 : SUCCESS in 3m 45s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/bca27829025b459eac65cde11a285b16 : FAILURE in 2m 38s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a9a9b9e85ac54c5dbc38d3669c8bb025 : SUCCESS in 3m 27s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7083725170f54cd0bc31033e545407c1 : FAILURE in 3m 34s