Updated openstack/openstack
Project: openstack/neutron  702967e2a8f9db4b4e1e58e8bc53fd7833f9c2aa

Rename range to avoid shadowing the builtin

This refactor supports a patch I was reviewing [1].  I thought it
better to apply this consistently in this file as a separate refactor
so that that patch could be done cleaner.

[1] https://review.openstack.org/#/c/100963

Change-Id: Ida58758504e868dc731e97d7bce53d4849998723