From ff72816b5fad9909c9e8ba4144d258b4595bbaca Mon Sep 17 00:00:00 2001 From: Raymond Hettinger Date: Mon, 3 Jan 2011 02:44:14 +0000 Subject: [PATCH] Supply a reduce method for pickling. --- Lib/collections.py | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Lib/collections.py b/Lib/collections.py index f26c73ed0f..89a15886f8 100644 --- a/Lib/collections.py +++ b/Lib/collections.py @@ -539,6 +539,9 @@ class Counter(dict): 'Like dict.copy() but returns a Counter instance instead of a dict.' return Counter(self) + def __reduce__(self): + return self.__class__, (dict(self),) + def __delitem__(self, elem): 'Like dict.__delitem__() but does not raise KeyError for missing values.' if elem in self: -- 2.40.0