From 6db430b52aca8cbb3d62207ea447af4a624db840 Mon Sep 17 00:00:00 2001
From: Julien <182520+JulienMaille@users.noreply.github.com>
Date: Mon, 19 Jan 2026 10:07:36 +0100
Subject: [PATCH] Register QObjectList type conditionally

FIX: #338
---
 src/PythonQt.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/PythonQt.cpp b/src/PythonQt.cpp
index 2b016ec83..879a30779 100644
--- a/src/PythonQt.cpp
+++ b/src/PythonQt.cpp
@@ -121,7 +121,9 @@ void PythonQt::init(int flags, const QByteArray& pythonQtModuleName)
 
     PythonQtMethodInfo::addParameterTypeAlias("QObjectList", "QList<QObject*>");
     qRegisterMetaType<QList<QObject*>>("QList<void*>");
-    qRegisterMetaType<QObjectList>("QObjectList");
+    if (QMetaType::type("QObjectList") == QMetaType::UnknownType) {
+      qRegisterMetaType<QObjectList>("QObjectList");
+    }
     qRegisterMetaType<QList<QObject*>>("QList<QObject*>");
     if (QT_POINTER_SIZE == 8) {
       qRegisterMetaType<quint64>("size_t");