code: def testVariation(self):
      with flagsaver.flagsaver(vary_seed=True, fixed_seed=None):
          self.assertNotAllEqual(
              test_util.test_seed(), test_util.test_seed()
          )
          self.assertNotAllEqual(
              test_util.test_seed_stream()(),
              test_util.test_seed_stream()(),
          )
          x = 47
          expect_not = _maybe_jax(x)
          self.assertNotAllEqual(
              expect_not, test_util.test_seed(hardcoded_seed=x)
          )
  
imports: import collections
  from absl import flags
  from absl.testing import flagsaver
  from absl.testing import parameterized
  import numpy
  import tensorflow.compat.v1
  import tensorflow.compat.v2
  from tensorflow_probability.python.internal import dtype_util
  from tensorflow_probability.python.internal import test_combinations
  from tensorflow_probability.python.internal import test_util
  from tensorflow_probability.python.util.seed_stream import SeedStream
label_desc: Use image node_id 3 for calling the SeedSettingTest obj's underlying member method code with example usage: obj.testVariation() without return types