From 394464d84c1ec0da8fd50c12bd4a93c80afbe31c Mon Sep 17 00:00:00 2001
From: Koji Noshita <noshita@morphometrics.jp>
Date: Tue, 12 Mar 2024 22:26:52 +0900
Subject: [PATCH] =?UTF-8?q?fix:=20=F0=9F=90=9B=20invalid=20escape=20sequen?=
 =?UTF-8?q?ce?=
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---
 ktch/io/_tps.py | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/ktch/io/_tps.py b/ktch/io/_tps.py
index 537354a..a031bdd 100644
--- a/ktch/io/_tps.py
+++ b/ktch/io/_tps.py
@@ -15,13 +15,12 @@
 # limitations under the License.
 
 import re
-from pathlib import Path
 from dataclasses import dataclass
+from pathlib import Path
 
 import numpy as np
-import pandas as pd
 import numpy.typing as npt
-
+import pandas as pd
 
 ####################################
 # TPS dataclass
@@ -234,7 +233,7 @@ def write_tps(
 )
 
 PTN_DICT = re.compile(r"^(?P<key>\w+)\s*=\s*(?P<value>.+)$")
-PTN_COORD = re.compile("^(?P<x>[0-9\-\.]*)\s(?P<y>[0-9\-\.]*)\s*(?P<z>[0-9\-\.]*)?$")
+PTN_COORD = re.compile(r"^(?P<x>[0-9-\.]*)\s(?P<y>[0-9-\.]*)\s*(?P<z>[0-9-\.]*)?$")
 
 ######################################
 # Helper functions                   #