class_docstr: Helper class that handles syncing of a json and a dict.
class_docstr_tok: ["Helper","class","that","handles","syncing","of","a","json","and","a","dict","."]
code: def __init__(self, s: "SHA1_Store", readonly: bool) -> None:
      self._s = s
      self._readonly = readonly
  
imports: import hashlib
  import json
  import logging
  import os
  from pathlib import Path
  import pickle
  import shutil
  import sys
  import tempfile
  import time
  from typing import Any, Dict, Optional, Tuple, Union, cast
  import pgzip
  import torch
  from torch import Tensor
  from fairscale.internal.containers import from_np, to_np
  from .utils import ExitCode
label_desc: Use image node_id 1 to create a new _JSON_DictContext object  with example: obj = _JSON_DictContext(s, readonly)