code: def __import_model_package_copy(import_name):
      """
      Returns a copy of an imported model whose package contains
      a function of the same name.
      """
      starting_modules = sys.modules.copy()
  
      model_type = importlib.import_module(
          f"torchvision.models.{import_name}"
      )
      new_modules = set(sys.modules) - set(starting_modules)
      for m in new_modules:
          del sys.modules[m]
  
      return model_type
  
file_path: CrypTen/crypten/models/__init__.py
imports: import importlib.util
  import logging
  import sys
  import crypten.nn
  import torch
label_desc: Use image node_id 2 for calling a global function with example usage: __import_model_package_copy(import_name) and returns: model_type