fix: multiplier applied twice in finalize_updown

        return R

    def calc_updown(self, orig_weight):

        R = self.get_weight(self.oft_blocks, self.multiplier())

        multiplier = self.multiplier() * self.calc_scale()

        R = self.get_weight(self.oft_blocks, multiplier)

        merged_weight = self.merge_weight(R, orig_weight)

        updown = merged_weight.to(orig_weight.device, dtype=orig_weight.dtype) - orig_weight

        orig_weight = orig_weight

        return self.finalize_updown(updown, orig_weight, output_shape)

    # override to remove the multiplier/scale factor; it's already multiplied in get_weight

    def finalize_updown(self, updown, orig_weight, output_shape, ex_bias=None):

        #return super().finalize_updown(updown, orig_weight, output_shape, ex_bias)

        if self.bias is not None:

            updown = updown.reshape(self.bias.shape)

            updown += self.bias.to(orig_weight.device, dtype=orig_weight.dtype)

            updown = updown.reshape(output_shape)

        if len(output_shape) == 4:

            updown = updown.reshape(output_shape)

        if orig_weight.size().numel() == updown.size().numel():

            updown = updown.reshape(orig_weight.shape)

        if ex_bias is not None:

            ex_bias = ex_bias * self.multiplier()

        return updown, ex_bias