code: def test_stack_tensor_list_empty(self):
      l = list_ops.empty_tensor_list(
          element_shape=None, element_dtype=dtypes.variant
      )
  
      opts = data_structures.ListStackOpts(
          element_dtype=dtypes.int32, original_call=None
      )
  
      # TODO(mdan): Allow stacking empty lists if the dtype and shape are known.
      with self.assertRaises(ValueError):
          data_structures.list_stack(l, opts)
  
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 15 for calling the ListTest obj's underlying member method code with example usage: obj.test_stack_tensor_list_empty() without return types