From cca4c1096d8a7a3141122ed7c0de435ac6055c2a Mon Sep 17 00:00:00 2001
From: Florian Pfaff <FlorianPfaff@users.noreply.github.com>
Date: Wed, 7 Feb 2024 10:03:46 +0000
Subject: [PATCH] Avoid deprecation warning

filterpy/common/helpers.py:364: DeprecationWarning: invalid escape sequence '\S'
occurs even though r""..." is used
---
 filterpy/common/helpers.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/filterpy/common/helpers.py b/filterpy/common/helpers.py
index 108a3ae..f4e6afe 100644
--- a/filterpy/common/helpers.py
+++ b/filterpy/common/helpers.py
@@ -387,7 +387,7 @@ def outer_product_sum(A, B=None):
     r"""
     Computes the sum of the outer products of the rows in A and B
 
-        P = \Sum {A[i] B[i].T} for i in 0..N
+        P = \\Sum {A[i] B[i].T} for i in 0..N
 
         Notionally: