code: def test_load_on_nonexclusive_multiframe(self):
      with open("Tests/images/frozenpond.mpo", "rb") as fp:
  
          def act(fp):
              im = Image.open(fp)
              im.load()
  
          act(fp)
  
          with Image.open(fp) as im:
              im.load()
  
          assert not fp.closed
  
imports: import io
  import os
  import shutil
  import sys
  import tempfile
  import pytest
  from PIL import Image, ImageDraw, ImagePalette, UnidentifiedImageError
  from .helper import assert_image_equal, assert_image_equal_tofile, assert_image_similar_tofile, assert_not_all_same, hopper, is_win32, mark_if_feature_version, skip_unless_feature
label_desc: Use image node_id 46 for calling the TestImage obj's underlying member method code with example usage: obj.test_load_on_nonexclusive_multiframe() without return types