code: def validation_epoch_end(self, outputs):
      return None
  
imports: from itertools import chain
  from pathlib import Path
  from collections import OrderedDict
  import pytest
  import pytorch_lightning
  from omegaconf import OmegaConf
  import torch
  from anomalib.models.components import AnomalyModule
  from anomalib.utils.callbacks.metrics_configuration import MetricsConfigurationCallback
  from anomalib.utils.metrics.collection import AnomalibMetricCollection
  from tests.helpers.dummy import DummyDataModule, DummyLogger, DummyModel
label_desc: Use image node_id 3 for calling the _DummyAnomalyModule obj's underlying member method code with example usage: obj.validation_epoch_end(outputs) and returns: None