code: def reset(self, *, seed=None, options=None):
      ob, infos = self.env.reset(seed=seed, options=options)
      for _ in range(self.k):
          self.frames.append(ob)
      return self._get_ob(), infos
  
imports: from collections import deque
  import gymnasium
  from gymnasium import spaces
  import numpy
  from typing import Union
  from ray.rllib.utils.annotations import PublicAPI
  from ray.rllib.utils.images import rgb2gray, resize
label_desc: Use image node_id 2 for calling the FrameStack obj's underlying member method code with example usage: obj.reset() and returns: self,  infos