code: def __init__(self, name, tensor_type=None, initializer=None):
      self.name = name
      self.type = tensor_type
      self.initializer = initializer
  
imports: import collections
  import enum
  import json
  import os
label_desc: Use image node_id 1 to create a new _Argument object  with example: obj = _Argument(name, tensor_type, initializer)