code: def test_pilsave():
      # pixmaps from file then save to pillow image
      # make pixmap from this and confirm equality
      try:
          pix1 = fitz.Pixmap(imgfile)
          stream = pix1.pil_tobytes("JPEG")
          pix2 = fitz.Pixmap(stream)
          assert repr(pix1) == repr(pix2)
      except ModuleNotFoundError:
          assert (
              platform.system() == "Windows"
              and sys.maxsize == 2**31 - 1
          )
  
file_path: pymudf/tests/test_pixmap.py
imports: import fitz
  import os
  import platform
  import sys
  import tempfile
  import pytest
label_desc: Use image node_id 4 for calling a global function with example usage: test_pilsave() without return types