From 275148aaa47b10055c6792258c99f6a81b1b5421 Mon Sep 17 00:00:00 2001
From: Brendan <2bndy5@gmail.com>
Date: Wed, 26 Nov 2025 17:12:56 -0800
Subject: [PATCH] fix: use raw str for regex pattern

This fixes the "Invalid escape sequence" warning emitted when building the package.

resolves #133
---
 circuitpython_build_tools/build.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/circuitpython_build_tools/build.py b/circuitpython_build_tools/build.py
index 1cd5137..5a500be 100644
--- a/circuitpython_build_tools/build.py
+++ b/circuitpython_build_tools/build.py
@@ -43,7 +43,7 @@
 @functools.cache
 def _git_version():
     version_str = subprocess.check_output(["git", "--version"], encoding="ascii", errors="replace")
-    version_str = re.search("([0-9]\.*)*[0-9]", version_str).group(0)
+    version_str = re.search(r"([0-9]\.*)*[0-9]", version_str).group(0)
     return tuple(int(part) for part in version_str.split("."))
 
 def git_filter_arg():