code: def test_true_16():
      with Image.open("Tests/images/16_bit_noise.tif") as im:
          assert im.mode == "I;16"
          extrema = im.getextrema()
      assert extrema == (106, 285)
  
imports: from __future__ import annotations
  from PIL import Image
  from .helper import hopper
label_desc: Use image node_id 2 for calling a global function with example usage: test_true_16() without return types