code: def predict(self, obs):
      obs = obs.astype("float32")
      obs = paddle.to_tensor(obs, dtype="float32")
      predict_actions = self.alg.predict(obs)
      return predict_actions.detach().numpy()
  
file_path: PARL/examples/ES/mujoco_agent.py
imports: import numpy
  import paddle
  import parl
  import utils
  from optimizers import Adam
label_desc: Use image node_id 2 for calling the MujocoAgent obj's underlying member method code with example usage: obj.predict(obs) and returns: predict_actions