[PyQt] PyQt4 QTableWidget crashed/hang when sorting

[nEO (a.k.a. gentoo.cn)]

Platform:
    Win32  PyQt4.3.0-GPL  with Qt-4.3.1-opensource,  Python 2.5
Symptoms:
    QTableWiget sort by a long string column, after remove some rows,
then sort again will deak lock or crashed.  Sometimes can got a msg
from console:
    "Qt has caught an exception thrown from an event handler. Throwing
exceptions from an event handler is not supported in Qt. You must
reimplement QApplication::notify() and catch all exceptions there."

Test Program:
   see attachment: testTbw.py
Usage:
   run testTbw.py   and click some cell wait a while program will crashed.

Maybe it's caused by a GC problem or TableWidget's model r/w competition.
Anyone can help me find root cause and how to fix it?

-- 
I'm the one, powered by nEO
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