.
Thread 1 (process 6363):
#0  0xb6a5c641 in QTreeWidgetItem::setData () from /usr/lib/libQtGui.so.4
#1  0xb6dcbe70 in ?? () from /usr/lib/python2.5/site-packages/PyQt4/QtGui.so
#2  0xb6a5846d in ?? () from /usr/lib/libQtGui.so.4
#3  0xb6a331c9 in QItemDelegate::editorEvent () from /usr/lib/libQtGui.so.4
#4  0xb69fd8b9 in QAbstractItemViewPrivate::sendDelegateEvent ()
   from /usr/lib/libQtGui.so.4
#5  0xb69fe96f in QAbstractItemView::edit () from /usr/lib/libQtGui.so.4
#6  0xb6dbf38a in ?? () from /usr/lib/python2.5/site-packages/PyQt4/QtGui.so
#7  0xb69fdb2d in QAbstractItemView::mouseReleaseEvent ()
   from /usr/lib/libQtGui.so.4
#8  0xb6a2821d in QTreeView::mouseReleaseEvent () from /usr/lib/libQtGui.so.4
#9  0xb6dd06fc in ?? () from /usr/lib/python2.5/site-packages/PyQt4/QtGui.so
#10 0xb669be41 in QWidget::event () from /usr/lib/libQtGui.so.4
#11 0xb6922c34 in QFrame::event () from /usr/lib/libQtGui.so.4
#12 0xb69963dc in QAbstractScrollArea::viewportEvent ()
   from /usr/lib/libQtGui.so.4
#13 0xb69f5145 in QAbstractItemView::viewportEvent ()
   from /usr/lib/libQtGui.so.4
#14 0xb6d92f0c in ?? () from /usr/lib/python2.5/site-packages/PyQt4/QtGui.so
#15 0xb6998d55 in ?? () from /usr/lib/libQtGui.so.4
#16 0xb6651141 in QApplicationPrivate::notify_helper ()
   from /usr/lib/libQtGui.so.4
#17 0xb6653bf3 in QApplication::notify () from /usr/lib/libQtGui.so.4
#18 0xb700f493 in ?? () from /usr/lib/python2.5/site-packages/PyQt4/QtGui.so
#19 0xb66ac639 in ?? () from /usr/lib/libQtGui.so.4
#20 0xb66ab1c8 in QApplication::x11ProcessEvent () from /usr/lib/libQtGui.so.4
#21 0xb66cff34 in ?? () from /usr/lib/libQtGui.so.4
#22 0xb7333df2 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#23 0xb7336dcf in ?? () from /usr/lib/libglib-2.0.so.0
#24 0x08585a98 in ?? ()
#25 0x00000000 in ?? ()