class_docstr: Wrapper for a file object that serializes writes.
class_docstr_tok: ["Wrapper","for","a","file","object","that","serializes","writes","."]
code: def close(self) -> None:
      self.lock.acquire()  # wait for pending writes
      try:
          self.f.close()
      finally:
          self.lock.release()
  
imports: import contextlib
  import ctypes
  import errno
  import logging
  import os
  import platform
  import re
  import shutil
  import tempfile
  import threading
  from pathlib import Path
  from typing import IO, Any, BinaryIO, Generator, Optional
  from wandb.sdk.lib.paths import StrPath
label_desc: Use image node_id 3 for calling the WriteSerializingFile obj's underlying member method code with example usage: obj.close() without return types