def _set_bottomMargin(self, value):
        """
        value will be an int or float.

        Subclasses may override this method.
        """
        diff = value - self.bottomMargin
        self.moveBy((0, diff))
        self.height += diff
def _set_bottomMargin ( self , value ) : diff = value - self . bottomMargin self . moveBy ( ( 0 , diff ) ) self . height += diff
value will be an int or float.

        Subclasses may override this method.