code: def iter_setup(self):
      data = self.iterator.next()
      self.feed_input(self.data, data, layout=self.data_layout)
  
imports: import numpy
  import random
  from nvidia.dali import fn, types, ops, pipeline_def
  from nvidia.dali.pipeline import Pipeline
  from test_utils import RandomlyShapedDataIterator
  from test_utils import compare_pipelines
  from nose2.tools import params
label_desc: Use image node_id 3 for calling the LookupTablePythonOpPipeline obj's underlying member method code with example usage: obj.iter_setup() without return types