code: def test_exif_div_zero(tmp_path):
      im = hopper()
      info = TiffImagePlugin.ImageFileDirectory_v2()
      info[41988] = TiffImagePlugin.IFDRational(0, 0)
  
      out = str(tmp_path / "temp.tiff")
      im.save(out, tiffinfo=info, compression="raw")
  
      with Image.open(out) as reloaded:
          assert 0 == reloaded.tag_v2[41988].numerator
          assert 0 == reloaded.tag_v2[41988].denominator
  
imports: import io
  import struct
  import pytest
  from PIL import Image, TiffImagePlugin, TiffTags
  from PIL.TiffImagePlugin import IFDRational
  from .helper import assert_deep_equal, hopper
label_desc: Use image node_id 13 for calling a global function with example usage: test_exif_div_zero(tmp_path) without return types