<s> try : <EOL> from nose . tools import assert_dict_equal <EOL> except ImportError : <EOL> try : <EOL> import unittest2 <EOL> _binding = unittest2 . TestCase ( '<STR_LIT>' ) <EOL> assert_dict_equal = _binding . assertDictEqual <EOL> assert_is_instance = _binding . assertIsInstance <EOL> assert_tuple_equal = _binding . assertTupleEqual <EOL> except : <EOL> raise </s>
