code: def __setstate__(self, state):
      super(AdaFactor, self).__setstate__(state)
  
imports: import torch
  import torch.optim
  from torch.nn.utils import clip_grad_norm_
  import operator
  import functools
  from copy import copy
  from math import sqrt
  import types
  import os
  import importlib
  from onmt.utils.misc import fn_args
label_desc: Use image node_id 2 for calling the AdaFactor obj's underlying member method code with example usage: obj.__setstate__(state) without return types