code: def update_target_network(self):
      self.target_network.set_weights(self.policy_network.get_weights())
  
file_path: tensortrade/tensortrade/agents/parallel/parallel_dqn_model.py
imports: from deprecated import deprecated
  import random
  import numpy
  import tensorflow
  from typing import Callable
label_desc: Use image node_id 7 for calling the ParallelDQNModel obj's underlying member method code with example usage: obj.update_target_network() without return types