Sybren, is that a work around or a good-practice? I don't seem to set
QtGui.qApp anywhere in my application at all. However, I'm using 4.7.3
now and I don't encounter this problem at all. If it is a good practice,
I will set QtGui.qApp to the current QApplication instance.

Also, in your blog you've said:

> After a lot of puzzling I found out that QtCore.qApp needs to refer to
the running QApplication instance,

While your code uses QtGui.qApp. That's a typo I presume?

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PyQt4 applications crash at exit
https://bugs.launchpad.net/bugs/561303
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