code: def calc_updown(self, orig_weight):
      w1a = self.w1a.to(orig_weight.device, dtype=orig_weight.dtype)
      w1b = self.w1b.to(orig_weight.device, dtype=orig_weight.dtype)
      w2a = self.w2a.to(orig_weight.device, dtype=orig_weight.dtype)
      w2b = self.w2b.to(orig_weight.device, dtype=orig_weight.dtype)
  
      output_shape = [w1a.size(0), w1b.size(1)]
      updown = (w2b @ w1b) + ((orig_weight @ w2a) @ w1a)
  
      return self.finalize_updown(updown, orig_weight, output_shape)
  
imports: import network
label_desc: Use image node_id 2 for calling the NetworkModuleGLora obj's underlying member method code with example usage: obj.calc_updown(orig_weight) and returns: self