[PySide] PySide bug or my bad code?

[Zfox Atis]

I saving rekord : (savebutton)

 def saveRecord(self):
        row = self.mapper.currentIndex()
        self.mapper.submit()  #QDataWidgetMapper
        self.model.submitAll()  #QSqlTableModel
        self.mapper.setCurrentIndex(row)

and my QTableView vertical headers graphics damaged, if I using other tab
and next return to before tab:
this pics:

http://dl.dropbox.com/u/32655213/tableviewerr01.jpg
http://dl.dropbox.com/u/32655213/tableviewerr02.jpg
http://dl.dropbox.com/u/32655213/tableviewerr03.jpg

what problem or bug?

I use: Ubuntu 12.04, Python 3.2.3. , Pyside 1.1.1

(I sorry if my question very beginner)
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