code: def __init__(self, it, lock: Lock) -> None:
      self.lock = lock
      self.it = iter(it)
  
imports: import json
  import re
  from threading import Lock
  from typing import Any, Callable, Generator, List, Optional
  import jieba
  import torch
  import torch.distributed
  import torch.nn
  from pydantic import BaseModel, Field
label_desc: Use image node_id 1 to create a new LockedIterator object  with example: obj = LockedIterator(it, lock)