code: def test_constant_value_weak_tensor(self):
      a = constant_op.constant(1)
      self.assertEqual(tensor_util.constant_value(a), 1)
  
      a = constant_op.constant([1, 2, 3])
      self.assertAllEqual(tensor_util.constant_value(a), [1, 2, 3])
  
imports: from absl.testing import parameterized
  import numpy
  from google.protobuf import text_format
  from tensorflow.core.framework import graph_pb2
  from tensorflow.python.eager import def_function
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import flexible_dtypes
  from tensorflow.python.framework import importer
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import tensor
  from tensorflow.python.framework import tensor_util
  from tensorflow.python.framework import test_util
  from tensorflow.python.framework.weak_tensor import WeakTensor
  from tensorflow.python.ops import gradients_impl
  from tensorflow.python.ops import weak_tensor_ops
  from tensorflow.python.ops import weak_tensor_test_util
  from tensorflow.python.ops.parallel_for import control_flow_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 10 for calling the WeakTensorConstantOpTest obj's underlying member method code with example usage: obj.test_constant_value_weak_tensor() without return types