    def reset(self):
        """
        Reset the internal buffers for the abstract canvas.
        """
        # Reset our screen buffer
        self._start_line = 0
        self._x = self._y = None
        self._buffer = _DoubleBuffer(self._buffer_height, self.width)
        self._reset()
Reset the internal buffers for the abstract canvas.
asciimatics/screen.py