code: def forward(self, x):
      x = self.relu(x)
      path = x
  
      for i in range(1, 5):
          path = self.__getattr__("block{}".format(i))(path)
          x += path
  
      return x
  
imports: import torch.nn
label_desc: Use image node_id 2 for calling the ChainedResidualPoolImproved obj's underlying member method code with example usage: obj.forward(x) and returns: x