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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def draw(self, drawDC=None):
 """ Render the figure using agg. """

        DEBUG_MSG("draw()", 1, self)
        FigureCanvasAgg.draw(self)

        self.bitmap = _convert_agg_to_wx_bitmap(self.get_renderer(), None)
        self._isDrawn = True
        self.gui_repaint(drawDC=drawDC)