code: def test_closed(rgb_file_object):
      """A closed FilePath can not be opened."""
      with FilePath(rgb_file_object) as vsifile:
          pass
      with pytest.raises(IOError):
          vsifile.open()
  
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 11 for calling a global function with example usage: test_closed(rgb_file_object) without return types