code: def __init__(self, preprocess):
      super().__init__()
      self.preprocess = preprocess
      self.linear = nn.Linear(self.preprocess.hidden_dim, 1)
  
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 Critic object from inherited base classes: nn with example: obj = Critic(preprocess)