code: def test_sanity():
      im = hopper()
      assert im.thumbnail((100, 100)) is None
  
      assert im.size == (100, 100)
  
file_path: pillow-simd/Tests/test_image_thumbnail.py
imports: import pytest
  from PIL import Image
  from .helper import assert_image_equal, assert_image_similar, fromstring, hopper, tostring
label_desc: Use image node_id 1 for calling a global function with example usage: test_sanity() without return types