docstr: Get the best Prophet model.
docstr_tok: ["Get","the","best","Prophet","model","."]
code: def get_best_model(self):
      """
      Get the best Prophet model.
      """
      return self.best_model.model
  
file_path: analytics-zoo/pyzoo/zoo/chronos/autots/model/auto_prophet.py
imports: import pandas
  from zoo.orca.automl.auto_estimator import AutoEstimator
  import zoo.orca.automl.hp
  from zoo.chronos.model.prophet import ProphetBuilder
label_desc: Use image node_id 7 for calling the AutoProphet obj's underlying member method code with example usage: obj.get_best_model() and returns: self