code: def __init__(self, value):
      self.value = value
  
imports: from orion.algo.pbt.exploit import BaseExploit
  from orion.algo.pbt.explore import BaseExplore
  from orion.algo.pbt.pbt import LineageNode, Lineages
  from orion.core.utils.pptree import print_tree
  from orion.core.worker.trial import Trial
label_desc: Use image node_id 1 to create a new ObjectiveStub object  with example: obj = ObjectiveStub(value)