From 079fcf13a6245a987e12fa7db7a06401452be51f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=82=BA=E4=BB=80=E9=BA=BC?= <andy840119@gmail.com>
Date: Tue, 12 Jul 2022 09:41:03 +0800
Subject: [PATCH] Add missing import.

---
 osu.Game.Tests/Visual/Editing/TimelineTestScene.cs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/osu.Game.Tests/Visual/Editing/TimelineTestScene.cs b/osu.Game.Tests/Visual/Editing/TimelineTestScene.cs
index 40d91dcbaa..d4c96a837b 100644
--- a/osu.Game.Tests/Visual/Editing/TimelineTestScene.cs
+++ b/osu.Game.Tests/Visual/Editing/TimelineTestScene.cs
@@ -3,6 +3,7 @@
 
 #nullable disable
 
+using System.Diagnostics;
 using osu.Framework.Allocation;
 using osu.Framework.Audio;
 using osu.Framework.Bindables;