It seems that running create-filelist under python3 can get you floats in the file lists. There is very little practical reason why a float there is better than a plain int, so this needs fixing. Probably just by wrapping the proper place in a call to int().
Fixed by a41b05ba5d633113d63080386e9c01280a2f19f2.
Metadata Update from @tibbs: - Issue close_status updated to: Fixed - Issue status updated to: Closed (was: Open)