class_docstr: Elementwise sum the output of a submodule to its input 
class_docstr_tok: ["Elementwise","sum","the","output","of","a","submodule","to","its","input"]
code: def __repr__(self):
      return "Identity + \n|" + self.sub.__repr__().replace("\n", "\n|")
  
imports: from collections import OrderedDict
  import math
  import torch
  import torch.nn
  import torch.nn.functional
label_desc: Use image node_id 3 for calling the ShortcutBlock obj's underlying member method code with example usage: obj.__repr__() and returns: unknown