def insertCloneFrame(self):
        """ clone current frame after current frame """
        newFrame = Frame(self.sizeX, self.sizeY)
        self.frames.insert(self.currentFrameNumber, newFrame)
        newFrame.content = deepcopy(self.currentFrame.content)
        newFrame.colorMap = deepcopy(self.currentFrame.colorMap)
        newFrame.newColorMap = deepcopy(self.currentFrame.newColorMap)
        self.frameCount += 1
        return True
 clone current frame after current frame 
durdraw/durdraw_movie.py