code: def test_pass_through():
      for _ in range(
          50
      ):  # repeat the test as if it is wrong it does not manifest deterministically
          _test_pass_through()
  
file_path: DALI/dali/test/python/operator_1/test_per_frame.py
imports: import numpy
  from nvidia.dali import pipeline_def
  import nvidia.dali.fn
  from test_utils import check_batch
  from nose_utils import raises
label_desc: Use image node_id 10 for calling a global function with example usage: test_pass_through() without return types