code: def __init__(self, action_space, preprocess):
      super().__init__()
      self.preprocess = preprocess
      self.action_dim = action_space.n
      self.linear = nn.Linear(
          self.preprocess.hidden_dim, self.action_dim
      )
  
imports: from __future__ import annotations
  from copy import deepcopy
  from typing import Tuple, Callable
  import gym
  import numpy
  import torch
  import torch.nn
  import torch.nn.functional
  from typing_extensions import TypedDict
  from gym import spaces
  from tianshou.data import ReplayBuffer, Batch, to_torch, to_numpy
  from tianshou.policy import BasePolicy, PPOPolicy
  from nni.mutable import Categorical, CategoricalMultiple, Mutable, MutableAnnotation, Sample
label_desc: Use image node_id 1 to create a new Actor object from inherited base classes: nn with example: obj = Actor(action_space, preprocess)