class_docstr: An abstract asynchronous, vectorized environment.
code: def unwrapped(self):
      if isinstance(self, VecEnvWrapper):
          return self.venv.unwrapped
      else:
          return self
  
file_path: keras-rl/rl/common/vec_env/__init__.py
label_desc: Use image node_id 9 for calling the VecEnv obj's underlying member method code with example usage: obj.unwrapped() and returns: self, self