Raise statement normalization in Lib/.
diff --git a/Lib/fpformat.py b/Lib/fpformat.py
index 485c39b..c196436 100644
--- a/Lib/fpformat.py
+++ b/Lib/fpformat.py
@@ -36,7 +36,7 @@
     fraction is 0 or more digits
     expo is an integer"""
     res = decoder.match(s)
-    if res is None: raise NotANumber, s
+    if res is None: raise NotANumber(s)
     sign, intpart, fraction, exppart = res.group(1,2,3,4)
     if sign == '+': sign = ''
     if fraction: fraction = fraction[1:]