def cmd_quit(self):
        self.debugger.stop()
        self.root.quit()
Modifications:
dataset/ETHPy150Open pybee/bugjar/bugjar/view.py/MainWindow.cmd_quit--crossover with--dataset/ETHPy150Open CountZer0/PipelineConstructionSet/python/maya/site-packages/pymel-1.0.3/pymel/core/system.py/undoInfo