code: def test_Image_to_pil():
      img = img1.to_pil()
      assert isinstance(img, PIL.Image.Image)
  
imports: from __future__ import annotations
  from io import BytesIO
  import numpy
  import xarray
  import dask.array
  import PIL
  import pytest
  import datashader.transfer_functions
  from datashader.tests.test_pandas import assert_eq_ndarray, assert_eq_xr, assert_image_close
label_desc: Use image node_id 35 for calling a global function with example usage: test_Image_to_pil() without return types