def saveVersionUp(self):
        nextVersionFilename = depends_util.nextFilenameVersion(self.workingFilename)
        self.save(nextVersionFilename)
Subtract count, but keep only results with positive counts.
dataset/ETHPy150Open andrew-gardner/dependsworkflow/depends/depends_main_window.py/MainWindow.saveVersionUp--crossover with--dataset/ETHPy150Open dbcli/pgcli/pgcli/packages/counter.py/Counter.__sub__