code: def forward(self, x, skip):
      output = self.glu(x)
      output = self.add_norm(output, skip)
      return output
  
imports: import math
  from typing import Dict, List, Tuple, Union
  import torch
  import torch.nn
  import torch.nn.functional
label_desc: Use image node_id 2 for calling the GateAddNorm obj's underlying member method code with example usage: obj.forward(x, skip) and returns: output