Split long line.

XXX If NormalizationTest.txt is required to run this test, why isn't it
checked into the project?

Lib/test/test_normalization.py

@@ -4,7 +4,8 @@
 try:
     data = open("NormalizationTest.txt", "r").readlines()
 except IOError:
-    raise TestSkipped("NormalizationTest.txt not found, download from http://www.unicode.org/Public/UNIDATA/NormalizationTest.txt")
+    raise TestSkipped("NormalizationTest.txt not found, download from "
+                "http://www.unicode.org/Public/UNIDATA/NormalizationTest.txt")
 
 class RangeError:
     pass