code: def test_32bit_float(self):
      # Issue 614, specific 32-bit float format
      path = "Tests/images/10ct_32bit_128.tiff"
      with Image.open(path) as im:
          im.load()
  
          assert im.getpixel((0, 0)) == -0.4526388943195343
          assert im.getextrema() == (
              -3.140936851501465,
              3.140684127807617,
          )
  
imports: import os
  from io import BytesIO
  import pytest
  from PIL import Image, ImageFile, TiffImagePlugin
  from PIL.TiffImagePlugin import RESOLUTION_UNIT, X_RESOLUTION, Y_RESOLUTION
  from .helper import assert_image_equal, assert_image_equal_tofile, assert_image_similar, assert_image_similar_tofile, hopper, is_pypy, is_win32
label_desc: Use image node_id 22 for calling the TestFileTiff obj's underlying member method code with example usage: obj.test_32bit_float() without return types