class_docstr: Write me
      
class_docstr_tok: ["Write","me"]
code: def update_target_models_hard(self):
      self.target_critic.set_weights(self.critic.get_weights())
      self.target_actor.set_weights(self.actor.get_weights())
  
imports: from __future__ import division
  from collections import deque
  import os
  import warnings
  import numpy
  import keras.backend
  import keras.optimizers
  from rl.core import Agent
  from rl.random import OrnsteinUhlenbeckProcess
  from rl.util import *
label_desc: Use image node_id 6 for calling the DDPGAgent obj's underlying member method code with example usage: obj.update_target_models_hard() without return types