def clear_text(self):
        self.set_text(None)
Called once for each user-usable plot mode.
dataset/ETHPy150Open xiaocong/uiautomator/uiautomator/__init__.py/AutomatorDeviceUiObject.clear_text--crossover with--dataset/ETHPy150Open sympy/sympy/sympy/plotting/pygletplot/plot_mode.py/PlotMode._register