code: def isdir(self, path: path_type) -> bool:
      file_entry = oc.OSSFileEntry(path)
      return file_entry.is_dir()
  
imports: from typing import List, Dict, Tuple, Iterator
  from urllib import parse
  from ...utils import implements, lazy_import
  from ._oss_lib import common
  from ._oss_lib.glob import glob
  from ._oss_lib.handle import OSSIOBase
  from .base import FileSystem, path_type
label_desc: Use image node_id 8 for calling the OSSFileSystem obj's underlying member method code with example usage: obj.isdir(path) and returns: file_entry