code: def __call__(
      self, path: "StrPath", fs: Optional["FileSystem"] = None
  ) -> ContextManager[Dict]:
      ...
  
imports: import os
  from contextlib import contextmanager
  from typing import TYPE_CHECKING, Any, Callable, ContextManager, Dict, Optional, Protocol, TextIO, Union
  from funcy import reraise
  from dvc.exceptions import DvcException
label_desc: Use image node_id 1 for calling the ModifierFn obj's underlying member method code with example usage: obj.__call__(path, fs) without return types