code: def state_size(self):
      if hasattr(self, "gru"):
          return 512
      else:
          return 1
  
file_path: SerpentAI/serpent/machine_learning/reinforcement_learning/ppo/cnn_base.py
imports: import torch
label_desc: Use image node_id 2 for calling the CNNBase obj's underlying member method code with example usage: obj.state_size() and returns: int, int