class_docstr: Default objective to minimize if not provided by the user.
class_docstr_tok: ["Default","objective","to","minimize","if","not","provided","by","the","user","."]
code: def __init__(self):
      super().__init__(name="default_objective", direction="min")
  
imports: from keras_tuner.api_export import keras_tuner_export
  from keras_tuner.engine import metrics_tracking
label_desc: Use image node_id 1 to create a new DefaultObjective object from inherited base classes: Objective with example: obj = DefaultObjective()