From b8220b75e579fa460c4a3e3ac7b5db1945427ee6 Mon Sep 17 00:00:00 2001
From: James Lamb <jaylamb20@gmail.com>
Date: Wed, 18 Dec 2024 00:04:49 -0600
Subject: [PATCH] ruff auto-formatting

---
 python-package/lightgbm/engine.py | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/python-package/lightgbm/engine.py b/python-package/lightgbm/engine.py
index 898dbb91a16e..ccbb4376a89f 100644
--- a/python-package/lightgbm/engine.py
+++ b/python-package/lightgbm/engine.py
@@ -605,10 +605,7 @@ def _agg_cv_result(
     # [
     #     (<dataset_name>, <metric_name>, mean(<values>), <is_higher_better>, std_dev(<values>))
     # ]
-    return [
-        (k[0], k[1], float(np.mean(v)), metric_types[k], float(np.std(v)))
-        for k, v in metric_values.items()
-    ]
+    return [(k[0], k[1], float(np.mean(v)), metric_types[k], float(np.std(v))) for k, v in metric_values.items()]
 
 
 def cv(