code: def iter_setup(self):
      (images, labels) = iterator.next()
      self.feed_input(self.images, images)
  
imports: from nvidia.dali.pipeline import Pipeline
  import nvidia.dali
  import nvidia.dali.ops
  import nvidia.dali.plugin_manager
  import unittest
  import os
  import numpy
  import tempfile
label_desc: Use image node_id 3 for calling the CustomPipeline obj's underlying member method code with example usage: obj.iter_setup() without return types