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-rw-r--r--examples/opengl/hellogl2/window.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/examples/opengl/hellogl2/window.py b/examples/opengl/hellogl2/window.py
index ad61d2f97..12c4508b3 100644
--- a/examples/opengl/hellogl2/window.py
+++ b/examples/opengl/hellogl2/window.py
@@ -1,6 +1,7 @@
# Copyright (C) 2023 The Qt Company Ltd.
# Copyright (C) 2013 Riverbank Computing Limited.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+from __future__ import annotations
from PySide6.QtCore import Slot, Qt
from PySide6.QtWidgets import (QHBoxLayout, QMainWindow,