code: def __init__(self):
      super().__init__(1, 1, 0, 0)
      self.python_op = ops.PythonFunction(
          function=lambda: np.zeros((3, 3, 3))
      )
  
imports: import numpy
  import nvidia.dali.ops
  import nvidia.dali.plugin.tf
  import nvidia.dali.types
  import os.path
  import tensorflow
  from nvidia.dali.pipeline import Pipeline
  from nose_utils import raises
  from test_utils import get_dali_extra_path
label_desc: Use image node_id 1 to create a new PythonOperatorPipeline object from inherited base classes: Pipeline with example: obj = PythonOperatorPipeline()