code: def testRange(self):
      with ops.Graph().as_default() as g:
          dataset = dataset_ops.Dataset.range(42)
          iterator = dataset_ops.make_one_shot_iterator(dataset)
          get_next = iterator.get_next()
          train_op = ops.get_collection_ref(ops.GraphKeys.TRAIN_OP)
          train_op.append(get_next)
          mg = meta_graph.create_meta_graph_def(graph=g)
          grappler_item = item.Item(mg)
          op_properties = grappler_item.GetOpProperties()
          self.assertEqual(
              tensor_shape.TensorShape([]),
              op_properties["IteratorGetNext"][0].shape,
          )
  
imports: import numpy
  from tensorflow.python.data.ops import dataset_ops
  from tensorflow.python.data.ops import iterator_ops
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import meta_graph
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import tensor_shape
  from tensorflow.python.grappler import item
  from tensorflow.python.ops import array_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 4 for calling the GrapplerTest obj's underlying member method code with example usage: obj.testRange() without return types