From 17b0eda7f85b865ad2e7d5a54fc92ab25adde5ed Mon Sep 17 00:00:00 2001
From: Ian Chua <iancrb00@gmail.com>
Date: Tue, 6 Oct 2026 21:06:31 +0800
Subject: [PATCH] fix: clang-tidy

---
 tests/slic3rutils/test_printer_agent.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tests/slic3rutils/test_printer_agent.cpp b/tests/slic3rutils/test_printer_agent.cpp
index 088e319f5d..f221ea391e 100644
--- a/tests/slic3rutils/test_printer_agent.cpp
+++ b/tests/slic3rutils/test_printer_agent.cpp
@@ -1,5 +1,6 @@
 #include <catch2/catch_all.hpp>
 
+#include <functional>
 #include <slic3r/Utils/BBLPrinterAgent.hpp>
 #include <slic3r/Utils/IPrinterAgent.hpp>
 #include <slic3r/Utils/MoonrakerPrinterAgent.hpp>