diff --git a/leenkx/blender/lnx/material/cycles_nodes/nodes_shader.py b/leenkx/blender/lnx/material/cycles_nodes/nodes_shader.py
index 970028e..1a222b5 100644
--- a/leenkx/blender/lnx/material/cycles_nodes/nodes_shader.py
+++ b/leenkx/blender/lnx/material/cycles_nodes/nodes_shader.py
@@ -1,5 +1,6 @@
 import bpy
 from bpy.types import NodeSocket
+from __future__ import annotations
 
 import lnx
 import lnx.material.cycles as c