code: def test_bounds_from_last_device(
      self, devices, one_device_per_chip, expected_bounds
  ):
      self.assertEqual(
          mesh_utils._bounds_from_last_device(
              devices(one_device_per_chip)[-1]
          ),
          expected_bounds,
      )
  
imports: import collections
  from collections.abc import Sequence
  import dataclasses
  import numpy
  from absl import logging
  from absl.testing import absltest
  from absl.testing import parameterized
  from jax.experimental import mesh_utils
  from jax.sharding import Mesh
  from jax._src import test_util
label_desc: Use image node_id 1 for calling the MeshUtilsTest obj's underlying member method code with example usage: obj.test_bounds_from_last_device(devices, one_device_per_chip, expected_bounds) without return types