code: def end(self, session):
      self.stop_if_no_metric_improvement_fn()
      if (
          not self.keep_best_model
          or self.saver.variables is None
          or self.get_current_weights
      ):
          self._get_weights(session=session)
  
imports: import os
  from concurrent.futures import ThreadPoolExecutor
  import logging
  import sys
  import re
  import joblib
  import numpy
  import tensorflow
  from tensorflow.compat.v1.train import SessionRunHook
  from tensorflow_estimator.python.estimator.early_stopping import _StopOnPredicateHook
  from finetune.errors import FinetuneError
  from finetune.config import get_config
  from finetune.util.metrics import read_eval_metrics
label_desc: Use image node_id 7 for calling the SaverHook obj's underlying member method code with example usage: obj.end(session) without return types