use unicode literals
diff --git a/Lib/test/test_unicode.py b/Lib/test/test_unicode.py
index b3b24de..8d52492 100644
--- a/Lib/test/test_unicode.py
+++ b/Lib/test/test_unicode.py
@@ -1282,9 +1282,9 @@
self.assertRaises(IndexError, u"{:}".format)
self.assertRaises(IndexError, u"{:s}".format)
self.assertRaises(IndexError, u"{}".format)
- big = "23098475029384702983476098230754973209482573"
- self.assertRaises(ValueError, ("{" + big + "}").format)
- self.assertRaises(ValueError, ("{[" + big + "]}").format, [0])
+ big = u"23098475029384702983476098230754973209482573"
+ self.assertRaises(ValueError, (u"{" + big + u"}").format)
+ self.assertRaises(ValueError, (u"{[" + big + u"]}").format, [0])
# issue 6089
self.assertRaises(ValueError, u"{0[0]x}".format, [None])