def add_postproc_module(self, mod):
        if mod not in self.postproc_modules:
            self.postproc_modules.append(mod)
Internal mouse-press handler
dataset/ETHPy150Open kivy/kivy/kivy/base.py/EventLoopBase.add_postproc_module--crossover with--dataset/ETHPy150Open tobspr/RenderPipeline/toolkit/day_time_editor/curve_widget.py/CurveWidget.mousePressEvent