code: def _get_handle(self, filename):
      if filename not in self._handles:
          f = safe_open(filename, framework="pytorch")
          self._handles[filename] = f
  
      return self._handles[filename]
  
imports: import os
  from pathlib import Path
  from typing import List, Dict, Optional, Tuple
  from safetensors import safe_open, SafetensorError
  import torch
  from loguru import logger
  from huggingface_hub import hf_hub_download
  import json
  from text_generation_server.utils.log import log_once
label_desc: Use image node_id 2 for calling the Weights obj's underlying member method code with example usage: obj._get_handle(filename) and returns: self