code: def save(self, path) -> bool:
      try:
          with open(path, "wb") as f:
              pickle.dump(
                  (
                      self._action_space,
                      self._epsilon,
                      self._state_space,
                  ),
                  f,
              )
      except Exception:
          return False
      else:
          return True
  
imports: import pickle
  from functools import reduce
  from typing import List, Mapping, Sequence
  import torch
  from reagent.ope.estimators.sequential_estimators import Model, RLPolicy, State, ValueFunction
  from reagent.ope.estimators.types import Action, ActionDistribution, ActionSpace
  from reagent.ope.test.envs import Environment, PolicyLogGenerator
  from reagent.ope.utils import RunningAverage
label_desc: Use image node_id 4 for calling the TabularPolicy obj's underlying member method code with example usage: obj.save(path) and returns: True, False