code: def __init__(self, tuner, trial):
      super().__init__()
      self.tuner = tuner
      self.trial = trial
  
imports: import collections
  import statistics
  import numpy
  from keras_tuner import backend
  from keras_tuner import errors
  from keras_tuner.backend import config
  from keras_tuner.backend import keras
  from keras_tuner.engine import hyperparameters
  from keras_tuner.engine import objective
label_desc: Use image node_id 1 to create a new TunerCallback object from inherited base classes: keras.callbacks with example: obj = TunerCallback(tuner, trial)