code: def act(self, stochastic, ob):
      ac1, vpred1 = self._act(stochastic, ob[None])
      return ac1[0], vpred1[0]
  
file_path: baselines/baselines/ppo1/cnn_policy.py
imports: import baselines.common.tf_util
  import tensorflow
  import gym
  from baselines.common.distributions import make_pdtype
label_desc: Use image node_id 3 for calling the CnnPolicy obj's underlying member method code with example usage: obj.act(stochastic, ob) and returns: ac1,  vpred1