def on_zero_throttle(self):
        self.scl_speed_controller.set(0)
Helper to return the original, untokenized text for a given expression.  Useful to
dataset/ETHPy150Open FishPi/FishPi-POCV---Command---Control/fishpi/ui/main_view_tk.py/ControlsFrame.on_zero_throttle--crossover with--dataset/ETHPy150Open pypa/pip/pip/_vendor/pyparsing.py/originalTextFor