Use assertRaises.
diff --git a/Lib/test/test_ast.py b/Lib/test/test_ast.py
index 994e10b..1674b97 100644
--- a/Lib/test/test_ast.py
+++ b/Lib/test/test_ast.py
@@ -275,12 +275,7 @@
self.assertEqual(ast.literal_eval('2j'), 2j)
self.assertEqual(ast.literal_eval('10 + 2j'), 10 + 2j)
self.assertEqual(ast.literal_eval('1.5 - 2j'), 1.5 - 2j)
- try:
- ast.literal_eval('2 + (3 + 4j)')
- except ValueError:
- pass
- else:
- self.fail('expected value error')
+ self.assertRaises(ValueError, ast.literal_eval, '2 + (3 + 4j)')
def test_main():