code: def predict(self, obs):
      action = self.model.policy(obs)
      return action
  
file_path: PARL/parl/algorithms/paddle/td3.py
imports: import parl
  import paddle
  import paddle.nn.functional
  from parl.utils.utils import check_model_method
  from copy import deepcopy
label_desc: Use image node_id 2 for calling the TD3 obj's underlying member method code with example usage: obj.predict(obs) and returns: action