Part of SF patch #1513870 (the still relevant part) -- add reduce() to
functools, and adjust docs etc.
diff --git a/Misc/python-mode.el b/Misc/python-mode.el
index 1392c84..5f50da8 100644
--- a/Misc/python-mode.el
+++ b/Misc/python-mode.el
@@ -386,7 +386,7 @@
"isinstance" "issubclass" "iter" "len" "license"
"list" "locals" "long" "map" "max" "min" "object"
"oct" "open" "ord" "pow" "property" "range"
- "reduce" "reload" "repr" "round"
+ "reload" "repr" "round"
"setattr" "slice" "staticmethod" "str" "sum"
"super" "tuple" "type" "unichr" "unicode" "vars"
"zip")