code: def test_invert():
      # Arrange
      with Image.open("Tests/images/imagedraw_floodfill_RGB.png") as im:
          # Act
          new = ImageChops.invert(im)
  
      # Assert
      assert new.getbbox() == (0, 0, 100, 100)
      assert new.getpixel((0, 0)) == WHITE
      assert new.getpixel((50, 50)) == CYAN
  
imports: from __future__ import annotations
  from PIL import Image, ImageChops
  from .helper import assert_image_equal, hopper
label_desc: Use image node_id 14 for calling a global function with example usage: test_invert() without return types