class_docstr: Environment wrapper for OpenSpiel RL environments.
class_docstr_tok: ["Environment","wrapper","for","OpenSpiel","RL","environments","."]
code: def action_spec(self) -> specs.DiscreteArray:
      return specs.DiscreteArray(
          self._environment.game.num_distinct_actions()
      )
  
imports: from typing import List, NamedTuple
  from acme import specs
  from acme import types
  import dm_env
  import numpy
  from open_spiel.python import rl_environment
label_desc: Use image node_id 6 for calling the OpenSpielWrapper obj's underlying member method code with example usage: obj.action_spec() and returns: specs