code: def assert_image_equal_tofile(a, filename, msg=None, mode=None):
      with Image.open(filename) as img:
          if mode:
              img = img.convert(mode)
          assert_image_equal(a, img, msg)
  
imports: import logging
  import os
  import shutil
  import sys
  import sysconfig
  import tempfile
  from io import BytesIO
  import pytest
  from packaging.version import parse
  from PIL import Image, ImageMath, features
label_desc: Use image node_id 5 for calling a global function with example usage: assert_image_equal_tofile(a, filename, msg, mode) without return types