From b10e5632e4479c2117c8b67113b5aa6545f127aa Mon Sep 17 00:00:00 2001
From: MaximSmolskiy <mithridatus@mail.ru>
Date: Tue, 9 Apr 2024 02:00:34 +0300
Subject: [PATCH] Update sorts/bead_sort.py

---
 sorts/bead_sort.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sorts/bead_sort.py b/sorts/bead_sort.py
index 2e6fa5161..abc3f81ab 100644
--- a/sorts/bead_sort.py
+++ b/sorts/bead_sort.py
@@ -3,6 +3,8 @@ Bead sort only works for sequences of non-negative integers.
 https://en.wikipedia.org/wiki/Bead_sort
 """
 
+from itertools import pairwise
+
 
 def bead_sort(sequence: list) -> list:
     """