code: def test_iterator_not_repeat_not_even(self):
      dataset = [1, 2, 3, 4, 5]
      it = iterators.SerialIterator(
          dataset, 2, repeat=False, shuffle=False
      )
  
      self.assertAlmostEqual(it.epoch_detail, 0 / 5)
      self.assertIsNone(it.previous_epoch_detail)
      self.assertEqual(it.next(), [1, 2])
      self.assertAlmostEqual(it.epoch_detail, 2 / 5)
      self.assertAlmostEqual(it.previous_epoch_detail, 0 / 5)
      self.assertEqual(it.next(), [3, 4])
      self.assertAlmostEqual(it.epoch_detail, 4 / 5)
      self.assertAlmostEqual(it.previous_epoch_detail, 2 / 5)
      self.assertEqual(it.next(), [5])
      self.assertTrue(it.is_new_epoch)
      self.assertEqual(it.epoch, 1)
      self.assertAlmostEqual(it.epoch_detail, 5 / 5)
      self.assertAlmostEqual(it.previous_epoch_detail, 4 / 5)
      self.assertRaises(StopIteration, it.next)
  
imports: from __future__ import division
  import unittest
  import numpy
  from chainer import iterators
  from chainer import serializers
  from chainer import testing
label_desc: Use image node_id 4 for calling the TestSerialIterator obj's underlying member method code with example usage: obj.test_iterator_not_repeat_not_even() without return types