code: def open(
      self, path: path_type, mode: str = "rb"
  ) -> Union[BinaryIO, TextIO]:
      return self._fs.open(stringify_path(path), mode=mode)
  
imports: from typing import List, Iterator, Tuple, Union, BinaryIO, TextIO, Dict
  from fsspec import filesystem
  from fsspec.core import stringify_path
  from ...utils import implements
  from .core import FileSystem
  from .core import path_type
label_desc: Use image node_id 12 for calling the FsSpecAdapter obj's underlying member method code with example usage: obj.open(path, mode) and returns: self