code: def on_test_epoch_start(self) -> None:
      super().on_test_epoch_start()
      self.model.update()
  
imports: import math
  from typing import List, NamedTuple, Optional
  import hydra
  import torch
  from image_module import ImageModule
  from omegaconf import DictConfig
  from torch import Tensor
  from torch.utils.data import Dataset
  from neuralcompression import HyperpriorOutput
  from neuralcompression.loss_fn import DistortionLoss, MSELoss, TargetRateConfig
  from neuralcompression.metrics import pickle_size_of
  from neuralcompression.models import HyperpriorAutoencoderBase
label_desc: Use image node_id 11 for calling the TargetRateCompressionModule obj's underlying member method code with example usage: obj.on_test_epoch_start() without return types