gufw.py crashed with StopIteration

[Mariano F.co Benítez Mulet]

Same error previously reported.
It seems this is happening now every time I remove a rule and add a new one.

ProblemType: Crash
Architecture: amd64
DistroRelease: Ubuntu 8.10
ExecutablePath: /usr/share/gufw/gufw.py
InterpreterPath: /usr/bin/python2.5
Package: gufw 0.20.0-0ubuntu2 [modified: usr/share/gufw/cfg_files/gufw_log.txt usr/share/gufw/cfg_files/user.rules_compare usr/share/gufw/cfg_files/gufw.cfg]
PackageArchitecture: all
ProcAttrCurrent: unconfined
ProcCmdline: python /usr/share/gufw/gufw.py
ProcEnviron:
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/X11R6/bin
 LANG=es_ES.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/share/gufw/gufw.py']
SourcePackage: gui-ufw
Title: gufw.py crashed with StopIteration
Traceback: StopIteration
Uname: Linux 2.6.27-3-generic x86_64
UserGroups: