From 3c6b148a676f95e074b5cf6b5c7c060f65d0a16d Mon Sep 17 00:00:00 2001
From: Tim Peters <tim.peters@gmail.com>
Date: Mon, 21 May 2001 08:07:05 +0000
Subject: [PATCH] SF bug #425836:  Reference leak in filter(). Mark Hammond
 claimed that the iterized filter() forgot to decref the iterator upon return.
  He was right!

---
 Python/bltinmodule.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c
index b647f3b74d2..78e2f370b89 100644
--- a/Python/bltinmodule.c
+++ b/Python/bltinmodule.c
@@ -264,6 +264,7 @@ builtin_filter(PyObject *self, PyObject *args)
 	if (j < len && PyList_SetSlice(result, j, len, NULL) < 0)
 		goto Fail_result_it;
 
+	Py_DECREF(it);
 	return result;
 
 Fail_result_it: