From 7fefb39e58eba639062870a49836c07944a726dd Mon Sep 17 00:00:00 2001
From: Adriane Boyd <adrianeboyd@gmail.com>
Date: Tue, 9 Aug 2022 10:59:36 +0200
Subject: [PATCH] Fix regex invalid escape sequences (#11276)

---
 spacy/lang/ko/punctuation.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spacy/lang/ko/punctuation.py b/spacy/lang/ko/punctuation.py
index 7f7b40c5b..f5f1c51da 100644
--- a/spacy/lang/ko/punctuation.py
+++ b/spacy/lang/ko/punctuation.py
@@ -3,7 +3,7 @@ from ..punctuation import TOKENIZER_INFIXES as BASE_TOKENIZER_INFIXES
 
 
 _infixes = (
-    ["·", "ㆍ", "\(", "\)"]
+    ["·", "ㆍ", r"\(", r"\)"]
     + [r"(?<=[0-9])~(?=[0-9-])"]
     + LIST_QUOTES
     + BASE_TOKENIZER_INFIXES