code: def set_state(self, state):
      if state is not None:
          self.buffer = list(state)
  
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 5 for calling the RankedRewardsBuffer obj's underlying member method code with example usage: obj.set_state(state) without return types