code: def test_opener(path_rgb_byte_tif):
      """First test of vsi python plugin opener."""
      with rasterio.open(path_rgb_byte_tif, opener=io.open) as src:
          _ = src.profile
  
imports: from io import BytesIO
  import logging
  import os.path
  import pytest
  import rasterio
  from rasterio.enums import MaskFlags
  from rasterio.shutil import copyfiles
  from rasterio.windows import Window
  import io
label_desc: Use image node_id 22 for calling a global function with example usage: test_opener(path_rgb_byte_tif) without return types