diff --git a/leenkx/blender/lnx/material/cycles_nodes/nodes_vector.py b/leenkx/blender/lnx/material/cycles_nodes/nodes_vector.py
index 7cbe9cd..50e38b8 100644
--- a/leenkx/blender/lnx/material/cycles_nodes/nodes_vector.py
+++ b/leenkx/blender/lnx/material/cycles_nodes/nodes_vector.py
@@ -1,4 +1,5 @@
 from typing import Union
+from __future__ import annotations
 
 import bpy
 from mathutils import Euler, Vector