code: def test_file_properties():
      for dev in ["cpu", "gpu"]:
          yield _test_file_properties, dev
  
imports: from nvidia.dali import pipeline_def
  import os
  import numpy
  from nvidia.dali import fn
  from test_utils import get_dali_extra_path
  from nose_utils import raises
  import tempfile
label_desc: Use image node_id 4 for calling a global function with example usage: test_file_properties() without return types