.
Thread 1 (process 3774):
#0  0xb6c31de0 in QTreeWidgetItem::setData () from /usr/lib/libQtGui.so.4
#1  0xb7052205 in ?? () from /usr/lib/python2.6/dist-packages/PyQt4/QtGui.so
#2  0xb6c2b84f in ?? () from /usr/lib/libQtGui.so.4
#3  0xb6c64e7d in QStyledItemDelegate::editorEvent ()
   from /usr/lib/libQtGui.so.4
#4  0xb6bbb176 in QAbstractItemViewPrivate::sendDelegateEvent ()
   from /usr/lib/libQtGui.so.4
#5  0xb6bbb42b in QAbstractItemView::edit () from /usr/lib/libQtGui.so.4
#6  0xb7047be4 in ?? () from /usr/lib/python2.6/dist-packages/PyQt4/QtGui.so
#7  0xb6bbb714 in QAbstractItemView::mouseReleaseEvent ()
   from /usr/lib/libQtGui.so.4
#8  0xb6bfe78c in QTreeView::mouseReleaseEvent () from /usr/lib/libQtGui.so.4
#9  0xb7054768 in ?? () from /usr/lib/python2.6/dist-packages/PyQt4/QtGui.so
#10 0xb6692b43 in QWidget::event () from /usr/lib/libQtGui.so.4
#11 0xb6a6c993 in QFrame::event () from /usr/lib/libQtGui.so.4
#12 0xb6b0c94f in QAbstractScrollArea::viewportEvent ()
   from /usr/lib/libQtGui.so.4
#13 0xb6bbe647 in QAbstractItemView::viewportEvent ()
   from /usr/lib/libQtGui.so.4
#14 0xb6bf90c4 in QTreeView::viewportEvent () from /usr/lib/libQtGui.so.4
#15 0xb702ec6a in ?? () from /usr/lib/python2.6/dist-packages/PyQt4/QtGui.so
#16 0xb6b0ef55 in ?? () from /usr/lib/libQtGui.so.4
#17 0xb7783c5a in QCoreApplicationPrivate::sendThroughObjectEventFilters ()
   from /usr/lib/libQtCore.so.4
#18 0xb663be7a in QApplicationPrivate::notify_helper ()
   from /usr/lib/libQtGui.so.4
#19 0xb6644b11 in QApplication::notify () from /usr/lib/libQtGui.so.4
#20 0xb509e94d in KApplication::notify () from /usr/lib/libkdeui.so.5
#21 0xb5665076 in sipKApplication::notify ()
   from /usr/lib/python2.6/dist-packages/PyKDE4/kdeui.so
#22 0xb7784a3b in QCoreApplication::notifyInternal ()
   from /usr/lib/libQtCore.so.4
#23 0xb6643b7e in QApplicationPrivate::sendMouseEvent ()
   from /usr/lib/libQtGui.so.4
#24 0xb66b397e in ?? () from /usr/lib/libQtGui.so.4
#25 0xb66b2ca7 in QApplication::x11ProcessEvent () from /usr/lib/libQtGui.so.4
#26 0xb66ddc6a in ?? () from /usr/lib/libQtGui.so.4
#27 0xb75b2b88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#28 0xb75b60eb in ?? () from /usr/lib/libglib-2.0.so.0
#29 0xb75b6268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#30 0xb77b0438 in QEventDispatcherGlib::processEvents ()
   from /usr/lib/libQtCore.so.4
#31 0xb66dd365 in ?? () from /usr/lib/libQtGui.so.4
#32 0xb778306a in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#33 0xb77834aa in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#34 0xb7785959 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#35 0xb663bd17 in QApplication::exec () from /usr/lib/libQtGui.so.4
#36 0xb7325ef6 in ?? () from /usr/lib/python2.6/dist-packages/PyQt4/QtGui.so
#37 0x080de562 in PyEval_EvalFrameEx ()
#38 0x080df587 in PyEval_EvalFrameEx ()
#39 0x080e00b8 in PyEval_EvalCodeEx ()
#40 0x080e0217 in PyEval_EvalCode ()
#41 0x080fe0e1 in PyRun_FileExFlags ()
#42 0x080fe43a in PyRun_SimpleFileExFlags ()
#43 0x0805c882 in Py_Main ()
#44 0x0805b972 in main ()