Raise statement normalization in Lib/.
diff --git a/Lib/UserString.py b/Lib/UserString.py
index faad148..c55c1bf 100755
--- a/Lib/UserString.py
+++ b/Lib/UserString.py
@@ -183,7 +183,7 @@
     def __init__(self, string=""):
         self.data = string
     def __hash__(self):
-        raise TypeError, "unhashable type (it is mutable)"
+        raise TypeError("unhashable type (it is mutable)")
     def __setitem__(self, index, sub):
         if isinstance(index, slice):
             if isinstance(sub, UserString):