code: def init_weights(self):
      initrange = 0.1
      self.encoder.weight.data.uniform_(-initrange, initrange)
      self.decoder.bias.data.zero_()
      self.decoder.weight.data.uniform_(-initrange, initrange)
  
imports: import math
  import sys
  import pytest
  import torch
  import torch.nn
  import torch.nn
  from fairscale.internal import torch_version
label_desc: Use image node_id 3 for calling the TransformerModel obj's underlying member method code with example usage: obj.init_weights() without return types