code: def testLaplaceNonPositiveInitializationParamsRaises(self):
      loc_v = constant_op.constant(0.0, name="loc")
      scale_v = constant_op.constant(-1.0, name="scale")
      with self.assertRaisesOpError(
          "Condition x > 0 did not hold element-wise"
      ):
          laplace = laplace_lib.Laplace(
              loc=loc_v, scale=scale_v, validate_args=True
          )
          self.evaluate(laplace.mean())
      loc_v = constant_op.constant(1.0, name="loc")
      scale_v = constant_op.constant(0.0, name="scale")
      with self.assertRaisesOpError(
          "Condition x > 0 did not hold element-wise"
      ):
          laplace = laplace_lib.Laplace(
              loc=loc_v, scale=scale_v, validate_args=True
          )
          self.evaluate(laplace.mean())
  
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 19 for calling the LaplaceTest obj's underlying member method code with example usage: obj.testLaplaceNonPositiveInitializationParamsRaises() without return types