class_docstr: Thread lock until a file **cannot** be locked
class_docstr_tok: ["Thread","lock","until","a","file","*","*","can","not","*","*","be","locked"]
code: def _release(self):
      self._context.lock_file_fd = None
  
imports: import os
  import types
  import uuid
  from typing import Any, Dict, List, Optional, Tuple, Union
  import numpy
  import pyarrow
  from filelock import BaseFileLock, Timeout
  from .None import config
  from .arrow_dataset import Dataset
  from .arrow_reader import ArrowReader
  from .arrow_writer import ArrowWriter
  from .download.download_config import DownloadConfig
  from .download.download_manager import DownloadManager
  from .features import Features
  from .info import DatasetInfo, MetricInfo
  from .naming import camelcase_to_snakecase
  from .utils._filelock import FileLock
  from .utils.deprecation_utils import deprecated
  from .utils.logging import get_logger
  from .utils.py_utils import copyfunc, temp_seed
label_desc: Use image node_id 3 for calling the FileFreeLock obj's underlying member method code with example usage: obj._release() without return types