code: def __init__(self, model):
      """ES algorithm.
  
      Since parameters of the model is updated in the numpy level, `learn` function is not needed
      in this algorithm.
  
      Args:
          model(`parl.Model`): policy model of ES algorithm.
      """
      self.model = model
  
imports: import parl
label_desc: Use image node_id 1 to create a new ES object from inherited base classes: parl with example: obj = ES(model)