Issue #2670: urllib2.build_opener() failed when two handlers
derive the same default base class.
Backport of r62463.
diff --git a/Misc/NEWS b/Misc/NEWS
index b9ce278..d66e26c 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -45,6 +45,9 @@
Library
-------
+- Issue #2670: Fix a failure in urllib2.build_opener(), when passed two
+ handlers that derive the same default base class.
+
- Issue #2495: tokenize.untokenize now inserts a space between two consecutive
string literals; previously, ["" ""] was rendered as [""""], which is
incorrect python code.