Issue #9738, #9836: Fix refleak introduced by r84704
diff --git a/Lib/test/test_unicode.py b/Lib/test/test_unicode.py
index 0c23daa..aeac724 100644
--- a/Lib/test/test_unicode.py
+++ b/Lib/test/test_unicode.py
@@ -1397,7 +1397,7 @@
         # non-ascii format, ascii argument
         self.assertRaisesRegexp(ValueError,
             '^PyUnicode_FromFormatV\(\) expects an ASCII-encoded format '
-            'string, got a non-ascii byte: 0xe9$',
+            'string, got a non-ASCII byte: 0xe9$',
             format_unicode, b'unicode\xe9=%s', 'ascii')
 
 def test_main():