code: def test_closed_over_values_device_placement(self):
      # see https://github.com/google/jax/issues/1431
      devices = self.get_devices()
  
      def f():
          return lax.add(3.0, 4.0)
  
      self.assertIsInstance(f(), jax.Array)
      self.assert_uncommitted_to_device(f(), devices[0])
      self.assert_uncommitted_to_device(jax.jit(f)(), devices[0])
      self.assert_committed_to_device(
          jax.jit(f, device=devices[1])(), devices[1]
      )
  
imports: import os
  from unittest import SkipTest
  from absl.testing import absltest
  import jax
  import jax.numpy
  from jax import lax
  from jax._src import test_util
  from jax._src import xla_bridge
  from jax import config
label_desc: Use image node_id 8 for calling the MultiDeviceTest obj's underlying member method code with example usage: obj.test_closed_over_values_device_placement() and returns: lax