def addCallback(self, callback, eventType=None, *args):
        if eventType is None:
            eventType = callback._eventType

        if issubclass(eventType, SelectedTabChangeEvent):
            self.registerCallback(SelectedTabChangeEvent, callback, None,
                    *args)
        else:
            super(TabSheet, self).addCallback(callback, eventType, *args)
dataset/ETHPy150Open rwl/muntjac/muntjac/ui/tab_sheet.py/TabSheet.addCallback/original