code: def _pack(self):
      self.packed_weight.set_(
          torch.zeros(
              torch.jit.annotate(List[int], []), dtype=torch.uint8
          ).detach()
      )
  
imports: import warnings
  from typing import List, Optional, Tuple
  import torch
  from torch import _VF, Tensor
  from torch.nn.utils.rnn import PackedSequence
label_desc: Use image node_id 3 for calling the QuantizedLinearFP16 obj's underlying member method code with example usage: obj._pack() without return types