From 67127ca8e2e9c94619503390267467fb3ee216e1 Mon Sep 17 00:00:00 2001
From: "Miss Islington (bot)"
 <31488909+miss-islington@users.noreply.github.com>
Date: Mon, 3 Jul 2023 13:49:09 -0700
Subject: [3.12] Small speed-up for the convolve() recipe. (GH-106371)
 (GH-106375)

---
 Doc/library/itertools.rst | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Doc/library/itertools.rst b/Doc/library/itertools.rst
index 56d6599..a2d1798 100644
--- a/Doc/library/itertools.rst
+++ b/Doc/library/itertools.rst
@@ -1085,8 +1085,8 @@ The following recipes have a more mathematical flavor:
        kernel = tuple(kernel)[::-1]
        n = len(kernel)
        padded_signal = chain(repeat(0, n-1), signal, repeat(0, n-1))
-       for window in sliding_window(padded_signal, n):
-           yield math.sumprod(kernel, window)
+       windowed_signal = sliding_window(padded_signal, n)
+       return map(math.sumprod, repeat(kernel), windowed_signal)
 
    def polynomial_from_roots(roots):
        """Compute a polynomial's coefficients from its roots.
-- 
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