code: def test_sanity(self):
      dir(ImageWin)
  
file_path: pillow/Tests/test_imagewin.py
imports: from __future__ import annotations
  import pytest
  from PIL import ImageWin
  from .helper import hopper, is_win32
label_desc: Use image node_id 1 for calling the TestImageWin obj's underlying member method code with example usage: obj.test_sanity() without return types