def removeListener(self, listener, iface=None):
        if (isinstance(listener, IColorChangeListener) and
                (iface is None or issubclass(iface, IColorChangeListener))):
            self.withdrawListener(ColorChangeEvent, listener)

        super(ColorPickerHistory, self).removeListener(listener, iface)
Removes a color change listener
dataset/ETHPy150Open rwl/muntjac/muntjac/addon/colorpicker/color_picker_history.py/ColorPickerHistory.removeListener