Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/cc9596092a5147b6a6bed5d0bdfab541 : SUCCESS in 10m 26s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/638eb94aa7e044a283dfe2163dcd7569 : FAILURE in 5m 46s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b002d27d28d543cdbf6c7b263091e5cf : SUCCESS in 5m 50s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/b0df3d3c060a4ec3940535c436a2a3d5 : SUCCESS in 6m 47s