code: def __init__(self, value):
      self.value = value
  
imports: import numpy
  import nvidia.dali
  import nvidia.dali.fn
  import nvidia.dali.plugin.tf
  import tensorflow
  from nose.tools import nottest
  from nvidia.dali import pipeline_def
  from test_utils import RandomlyShapedDataIterator
label_desc: Use image node_id 1 to create a new FixedSampleIterator object  with example: obj = FixedSampleIterator(value)