code: def test_scalar_lists_not_converted(ray_start_regular_shared):
      data = [[1, 2], [1, 2]]
      output = do_map_batches(data)
      assert_structure_equals(
          output, create_ragged_ndarray([[1, 2], [1, 2]])
      )
  
      data = [[1, 2, 3], [1, 2]]
      output = do_map_batches(data)
      assert_structure_equals(
          output, create_ragged_ndarray([[1, 2, 3], [1, 2]])
      )
  
imports: import numpy
  import pytest
  import torch
  import ray
  from ray.air.util.tensor_extensions.utils import create_ragged_ndarray
  from ray.data.tests.conftest import *
  from ray.tests.conftest import *
label_desc: Use image node_id 11 for calling a global function with example usage: test_scalar_lists_not_converted(ray_start_regular_shared) without return types