code: def _test_exception(self, gold, system):
      self.assertRaises(
          UDError,
          evaluate,
          self._load_words(gold),
          self._load_words(system),
      )
  
imports: from __future__ import division
  from __future__ import print_function
  import argparse
  import io
  import sys
  import unicodedata
  import unittest
label_desc: Use image node_id 2 for calling the TestAlignment obj's underlying member method code with example usage: obj._test_exception(gold, system) without return types