code: def testBatchShapeJDCoro(self):
      @jdc.JointDistributionCoroutine
      def model():
          x = yield Root(
              mvn_diag.MultivariateNormalDiag(
                  tf.zeros([10, 3]), tf.ones(3), name="x"
              )
          )
          yield multinomial.Multinomial(
              logits=pad.Pad([[0, 1]])(x), total_count=10, name="y"
          )
  
      p = model.experimental_pin(
          y=model.sample(seed=test_util.test_seed()).y
      )
  
      self.assertEqual(
          (10, 3),
          initialization.init_near_unconstrained_zero(p)
          .sample(seed=test_util.test_seed())
          .x.shape,
      )
  
imports: import tensorflow.compat.v2
  from tensorflow_probability.python.bijectors import exp
  from tensorflow_probability.python.bijectors import identity
  from tensorflow_probability.python.bijectors import pad
  from tensorflow_probability.python.bijectors import sigmoid
  from tensorflow_probability.python.distributions import half_cauchy
  from tensorflow_probability.python.distributions import joint_distribution_auto_batched
  from tensorflow_probability.python.distributions import joint_distribution_coroutine
  from tensorflow_probability.python.distributions import joint_distribution_named
  from tensorflow_probability.python.distributions import joint_distribution_sequential
  from tensorflow_probability.python.distributions import multinomial
  from tensorflow_probability.python.distributions import mvn_diag
  from tensorflow_probability.python.distributions import normal
  from tensorflow_probability.python.distributions import sample
  from tensorflow_probability.python.distributions import uniform
  from tensorflow_probability.python.experimental import distribute
  from tensorflow_probability.python.experimental.mcmc import initialization
  from tensorflow_probability.python.internal import distribute_test_lib
  from tensorflow_probability.python.internal import test_util
label_desc: Use image node_id 7 for calling the InitializationTest obj's underlying member method code with example usage: obj.testBatchShapeJDCoro() without return types