code: def testOpCallbackCapturesConstTensors(self):
      instrument = _NumpyFunctionCallback()
      op_callbacks.add_op_callback(instrument.callback)
  
      @def_function.function
      def times_two_plus_three(x):
          return x * 2.0 + 3.0
  
      self.assertAllClose(
          times_two_plus_three(constant_op.constant(10.0)), 23.0
      )
      self.assertEqual(instrument.graph_op_types.count(b"Const"), 2)
  
imports: import threading
  import numpy
  from tensorflow.python.data.ops import dataset_ops
  from tensorflow.python.eager import backprop
  from tensorflow.python.eager import context
  from tensorflow.python.eager import def_function
  from tensorflow.python.eager import test
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import op_callbacks
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import sparse_tensor
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import control_flow_ops
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import script_ops
  from tensorflow.python.ops import sparse_ops
  from tensorflow.python.ops import variables
  from tensorflow.python.util import compat
label_desc: Use image node_id 22 for calling the OpCallbacksTest obj's underlying member method code with example usage: obj.testOpCallbackCapturesConstTensors() and returns: unknown