code: def test_grad_device_put_src_inference(self):
      devices = self.get_devices()
      x = jax.device_put(2.0, devices[0])
      y, x_bar = jax.value_and_grad(
          lambda x: jax.device_put(x, devices[1])
      )(x)
      self.assert_committed_to_device(y, devices[1])
      self.assert_committed_to_device(x_bar, devices[0])
  
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 15 for calling the MultiDeviceTest obj's underlying member method code with example usage: obj.test_grad_device_put_src_inference() without return types