Error when removing empty item from "Python Module" at py2pp in MacOS

[GoogleCodeExporter]

What steps will reproduce the problem?
1. Open GUI2Exe
2. Choose py2app
3. Add empty item into Python Module
4. Remove item from Python Module

#---- Traceback Info ----#
*** 03 March 2010 @ 11:02:50 ***
Traceback (most recent call last):
  File "/Volumes/file/code/gui2exe-read-only/Widgets.py", line 429, in
OnDeleteSelected
    self.RemoveOptionsButton(ind)
  File "/Volumes/file/code/gui2exe-read-only/Widgets.py", line 745, in
RemoveOptionsButton
    itemRect = self.GetItemRect(indx)
  File
"/usr/local/lib/wxPython-unicode-2.8.10.1/lib/python2.6/site-packages/wx-2.8-mac
-unicode/wx/_controls.py",
line 4603, in GetItemRect
    return _controls_.ListCtrl_GetItemRect(*args, **kwargs)
PyAssertionError: C++ assertion "index >= 0 && (size_t)index <
GetItemCount()" failed at
/BUILD/wxPython-src-2.8.10.1/src/generic/listctrl.cpp(4191) in
GetItemRect(): invalid index in GetItemRect
#---- End Traceback Info ----#

#---- System Information ----#
GUI2Exe Version: 0.5.0
Operating System: Mac OS X (Darwin 9.8.0 i386)
Mac OSX: 10.5.8
Python Version: 2.6.2 (r262:71600, Apr 16 2009, 09:17:39) 
[GCC 4.0.1 (Apple Computer, Inc. build 5250)]
wxPython Version: 2.8.10.1 (mac-unicode)
wxPython Info: (__WXMAC__, wxMac, unicode, wx-assertions-on, SWIG-1.3.29,
mac-cg, mac-native-tb)
Python Encoding: Default=utf-8  File=utf-8
wxPython Encoding: utf-8
System Architecture: 32bit i386
Byte order: little
Frozen: False
#---- End System Information ----#

Original issue reported on code.google.com by tatiana....@gmail.com on 3 Mar 2010 at 2:07