code: def __init__(
      self, bucket: str, key: str, item: Optional[Dict[str, Any]]
  ):
      self._bucket = bucket
      self._key = key
      self._item = item
      self._status: Optional[S3ListFilesFileStatus] = None
  
imports: from typing import Any, AsyncIterator, BinaryIO, cast, AsyncContextManager, Dict, List, Optional, Set, Tuple, Type, Union
  from types import TracebackType
  import aiohttp
  import sys
  from concurrent.futures import ThreadPoolExecutor
  import os.path
  import threading
  import asyncio
  import logging
  import datetime
  import botocore.config
  import botocore.exceptions
  import boto3
  from hailtop.utils import blocking_to_async
  from hailtop.aiotools.fs import FileStatus, FileListEntry, ReadableStream, WritableStream, AsyncFS, AsyncFSURL, MultiPartCreate, FileAndDirectoryError
  from hailtop.aiotools.fs.exceptions import UnexpectedEOFError
  from hailtop.aiotools.fs.stream import AsyncQueueWritableStream, async_writable_blocking_readable_stream_pair, async_writable_blocking_collect_pair, blocking_readable_stream_to_async
label_desc: Use image node_id 1 to create a new S3FileListEntry object from inherited base classes: FileListEntry with example: obj = S3FileListEntry(bucket, key, item)