def showNextTab(self):
        """ showNextTab() -> None
        Bring the next tab up

        """
        if self.operatingWidget.currentIndex()<1-self.operatingWidget.count():
            index = self.operatingWidget.currentIndex()+1
            self.operatingWidget.setCurrentIndex(index)
dataset/ETHPy150Open VisTrails/VisTrails/vistrails/packages/spreadsheet/spreadsheet_tabcontroller.py/StandardWidgetTabController.showNextTab/swapped operands of `-`