code: def test_sanity():
      with Image.open(TEST_FILE) as im:
          im.load()
          assert im.mode == "RGBA"
          assert im.size == (128, 128)
          assert im.format == "MIC"
  
          # Adjust for the gamma of 2.2 encoded into the file
          lut = ImagePalette.make_gamma_lut(1 / 2.2)
          im = Image.merge(
              "RGBA", [chan.point(lut) for chan in im.split()]
          )
  
          im2 = hopper("RGBA")
          assert_image_similar(im, im2, 10)
  
file_path: pillow-simd/Tests/test_file_mic.py
imports: import pytest
  from PIL import Image, ImagePalette
  from .helper import assert_image_similar, hopper, skip_unless_feature
label_desc: Use image node_id 1 for calling a global function with example usage: test_sanity() without return types