code: def testLaplaceFullyReparameterized(self):
      loc = constant_op.constant(4.0)
      scale = constant_op.constant(3.0)
      with backprop.GradientTape() as tape:
          tape.watch(loc)
          tape.watch(scale)
          laplace = laplace_lib.Laplace(loc=loc, scale=scale)
          samples = laplace.sample(100)
      grad_loc, grad_scale = tape.gradient(samples, [loc, scale])
      self.assertIsNotNone(grad_loc)
      self.assertIsNotNone(grad_scale)
  
imports: import importlib
  import numpy
  from tensorflow.python.eager import backprop
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import tensor_shape
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import nn_ops
  from tensorflow.python.ops.distributions import laplace
  from tensorflow.python.platform import test
  from tensorflow.python.platform import tf_logging
label_desc: Use image node_id 14 for calling the LaplaceTest obj's underlying member method code with example usage: obj.testLaplaceFullyReparameterized() without return types