#0  0x00007f6d7e574d01 in QMetaObject::cast(QObject*) const ()
   from /usr/lib/libQtCore.so.4
No symbol table info available.
#1  0x00007f6d7dcfb9cc in ?? () from /usr/lib/libQtGui.so.4
No symbol table info available.
#2  0x00007f6d7dcfbe5a in QComboBox::changeEvent(QEvent*) ()
   from /usr/lib/libQtGui.so.4
No symbol table info available.
#3  0x00007f6d79af934b in ?? ()
   from /usr/lib/pymodules/python2.6/PyQt4/QtGui.so
No symbol table info available.
#4  0x00007f6d7d97ed38 in QWidget::event(QEvent*) ()
   from /usr/lib/libQtGui.so.4
No symbol table info available.
#5  0x00007f6d79af867b in ?? ()
   from /usr/lib/pymodules/python2.6/PyQt4/QtGui.so
No symbol table info available.
#6  0x00007f6d7d92922c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
No symbol table info available.
#7  0x00007f6d7d92f6fb in QApplication::notify(QObject*, QEvent*) ()
   from /usr/lib/libQtGui.so.4
No symbol table info available.
#8  0x00007f6d79b57443 in ?? ()
   from /usr/lib/pymodules/python2.6/PyQt4/QtGui.so
No symbol table info available.
#9  0x00007f6d7e57006c in QCoreApplication::notifyInternal(QObject*, QEvent*)
    () from /usr/lib/libQtCore.so.4
No symbol table info available.
#10 0x00007f6d7d978656 in QWidgetPrivate::setStyle_helper(QStyle*, bool, bool)
    () from /usr/lib/libQtGui.so.4
No symbol table info available.
#11 0x00007f6d7d9784b2 in QWidgetPrivate::inheritStyle() ()
   from /usr/lib/libQtGui.so.4
No symbol table info available.
#12 0x00007f6d7d98209d in QWidget::setParent(QWidget*, QFlags<Qt::WindowType>)
    () from /usr/lib/libQtGui.so.4
No symbol table info available.
#13 0x00007f6d7d982512 in QWidget::setParent(QWidget*) ()
   from /usr/lib/libQtGui.so.4
No symbol table info available.
#14 0x00007f6d7d98aa40 in QWidgetAction::releaseWidget(QWidget*) ()
   from /usr/lib/libQtGui.so.4
No symbol table info available.
#15 0x00007f6d7dda8262 in ?? () from /usr/lib/libQtGui.so.4
No symbol table info available.
#16 0x00007f6d7d9861ac in QWidget::~QWidget() () from /usr/lib/libQtGui.so.4
No symbol table info available.
#17 0x00007f6d798ed1ba in ?? ()
   from /usr/lib/pymodules/python2.6/PyQt4/QtGui.so
No symbol table info available.
#18 0x00007f6d7e57ea5c in QObjectPrivate::deleteChildren() ()
   from /usr/lib/libQtCore.so.4
No symbol table info available.
#19 0x00007f6d7d9862d5 in QWidget::~QWidget() () from /usr/lib/libQtGui.so.4
No symbol table info available.
#20 0x00007f6d79a3ddcc in ?? ()
   from /usr/lib/pymodules/python2.6/PyQt4/QtGui.so
No symbol table info available.
#21 0x00007f6d79b6a6fe in ?? ()
   from /usr/lib/pymodules/python2.6/PyQt4/QtGui.so
No symbol table info available.
#22 0x00007f6d7a3a17f9 in ?? () from /usr/lib/pymodules/python2.6/sip.so
No symbol table info available.
#23 0x000000000046d2d8 in ?? ()
No symbol table info available.
#24 0x000000000044e577 in ?? ()
No symbol table info available.
#25 0x0000000000450a77 in PyDict_SetItem ()
No symbol table info available.
#26 0x000000000045297e in _PyModule_Clear ()
No symbol table info available.
#27 0x00000000004bb8b7 in PyImport_Cleanup ()
No symbol table info available.
#28 0x00000000004c922f in Py_Finalize ()
No symbol table info available.
#29 0x00000000004c88a3 in ?? ()
No symbol table info available.
#30 0x00000000004c8e75 in ?? ()
No symbol table info available.
#31 0x00000000004c9d30 in PyRun_SimpleFileExFlags ()
No symbol table info available.
#32 0x000000000041a7ff in Py_Main ()
No symbol table info available.
#33 0x00007f6d7f229c4d in __libc_start_main (main=<value optimized out>, 
    argc=<value optimized out>, ubp_av=<value optimized out>, 
    init=<value optimized out>, fini=<value optimized out>, 
    rtld_fini=<value optimized out>, stack_end=0x7fff8f1698b8)
    at libc-start.c:226
        result = <value optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -7063076980148483473, 
                4299216, 140735594010816, 0, 0, 7063322919369362031, 
                7142733944265558639}, mask_was_saved = 0}}, priv = {pad = {
              0x0, 0x0, 0x54e0b0, 0x7fff8f1698c8}, data = {prev = 0x0, 
              cleanup = 0x0, canceltype = 5562544}}}
        not_first_call = <value optimized out>
#34 0x00000000004199f9 in _start ()
No symbol table info available.