code: def _get_quantize_and_dequantized_weight(module, wn):
      if not hasattr(module, wn):
          return None
      params = _get_weight_and_quantization_params(module, wn)
      weight = _quantize_and_dequantize_weight(*params)
      return weight
  
imports: import torch
  import torch.nn
  from torch import Tensor
  from .utils import _quantize_and_dequantize_weight
  from .utils import _quantize_weight
  from typing import Optional, Dict, Any, Tuple
  from torch import _VF
  from torch.nn.utils.rnn import PackedSequence
label_desc: Use image node_id 4 for calling a global function with example usage: _get_quantize_and_dequantized_weight(module, wn) and returns: weight, None