code: def __init__(self, constant_value):
      self.constant_value = constant_value
  
imports: import math
  import random
  from absl.testing import parameterized
  import tensorflow
  from tensorflow_privacy.privacy.dp_query import tree_aggregation
label_desc: Use image node_id 1 to create a new ConstantValueGenerator object from inherited base classes: tree_aggregation with example: obj = ConstantValueGenerator(constant_value)