code: def get_accuracies_of_epoch(
      self, tester, split_name, epoch, select_all=True
  ):
      table_name = self.record_group_name(tester, split_name)
      if not self.record_keeper.table_exists(table_name):
          return []
  
      def get_accuracies(key):
          columns = "*" if select_all else "epoch, %s" % key
          query = "SELECT %s FROM %s WHERE epoch=?" % (
              columns,
              table_name,
          )
          return self.record_keeper.query(query, (epoch,))
  
      return self.try_primary_metric(tester, get_accuracies)
  
imports: import os
  import sqlite3
  import torch
  from .None import common_functions
label_desc: Use image node_id 14 for calling the HookContainer obj's underlying member method code with example usage: obj.get_accuracies_of_epoch(tester, split_name, epoch, select_all) and returns: self, list, self