IOError: [Errno 2] No such file or directory: '/etc/selinux/clip/setrans.conf'
Answering myself: page 743 of the RHEL Deployment Guide provides the answer here. If the file doesn't exist, create it. Example contents are listed below.
Thanks, -Josh s0:c0=Marketing s0:c1=Finance s0:c2=Payroll s0:c3=Personnel -- This message was distributed to subscribers of the selinux mailing list. If you no longer wish to subscribe, send mail to majordomo@xxxxxxxxxxxxx with the words "unsubscribe selinux" without quotes as the message.