code: def testUnconstrainedUniformUsage(self):
      seed = test_util.test_seed(sampler_type="stateless")
      model_dist = jdn.JointDistributionNamed(
          {
              "loc": uniform.Uniform(0.0, 1.0),
              "scale": half_cauchy.HalfCauchy(0.0, 1.0),
              "result": normal.Normal,
          }
      )
      init_dist = initialization.init_near_unconstrained_zero(
          model_dist
      )
      samples = self.evaluate(init_dist.sample(10, seed=seed))
      assert "loc" in samples
      assert "scale" in samples
      assert "result" in samples
      for _, v in samples.items():
          self.assertAllFinite(v)
      self.assertAllFinite(self.evaluate(model_dist.log_prob(samples)))
  
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 1 for calling the InitializationTest obj's underlying member method code with example usage: obj.testUnconstrainedUniformUsage() without return types