code: def test_dtype(self, increment_amount):
      dist = yield increment_log_prob.IncrementLogProb(increment_amount)
      self.assertEqual(tf.float32, dist.dtype)
  
file_path: probability/tensorflow_probability/python/experimental/distributions/increment_log_prob_test.py
imports: from absl.testing import parameterized
  import tensorflow.compat.v2
  from tensorflow_probability.python.distributions import log_prob_ratio
  from tensorflow_probability.python.experimental.distributions import increment_log_prob
  from tensorflow_probability.python.internal import test_util
label_desc: Use image node_id 1 for calling the IncrementLogProbTest obj's underlying member method code with example usage: obj.test_dtype(increment_amount) without return types