code: def get_state(self):
      return np.array(self.buffer)
  
file_path: ray/rllib_contrib/alpha_zero/src/rllib_alpha_zero/alpha_zero/ranked_rewards.py
imports: from copy import deepcopy
  import numpy
label_desc: Use image node_id 4 for calling the RankedRewardsBuffer obj's underlying member method code with example usage: obj.get_state() and returns: np