code: def test_stack_tensor_list(self):
      initial_list = constant_op.constant([[1, 2], [3, 4]])
      elem_shape = constant_op.constant([2])
      l = list_ops.tensor_list_from_tensor(
          initial_list, element_shape=elem_shape
      )
  
      opts = data_structures.ListStackOpts(
          element_dtype=initial_list.dtype, original_call=None
      )
  
      with self.cached_session() as sess:
          t = data_structures.list_stack(l, opts)
          self.assertAllEqual(
              self.evaluate(t), self.evaluate(initial_list)
          )
  
imports: from tensorflow.python.autograph.operators import data_structures
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import tensor
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import list_ops
  from tensorflow.python.ops import tensor_array_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 14 for calling the ListTest obj's underlying member method code with example usage: obj.test_stack_tensor_list() without return types