From d1b2010ed216a2bde2e388d06cb2342d43276c94 Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@home-assistant.io>
Date: Fri, 6 Mar 2026 22:31:38 -1000
Subject: [PATCH] Use walrus operator in crystal regex match

---
 esphome/__main__.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/esphome/__main__.py b/esphome/__main__.py
index 0ae6aed014..b216593edb 100644
--- a/esphome/__main__.py
+++ b/esphome/__main__.py
@@ -649,8 +649,7 @@ def _make_crystal_freq_callback(
     crystal_re = re.compile(r"Crystal frequency:\s+(\d+(?:\.\d+)?)\s*MHz")
 
     def check_crystal_line(line: str) -> str | None:
-        match = crystal_re.search(line)
-        if not match:
+        if not (match := crystal_re.search(line)):
             return None
         detected = int(float(match.group(1)))
         if detected == configured_freq: