From 24613e8045ea4af624ecce9bc38f5151ca5e960b Mon Sep 17 00:00:00 2001
From: Swann Martinez <s.martinez@cubedns.fr>
Date: Thu, 11 Jul 2019 16:12:38 +0200
Subject: [PATCH] feat: material node cleanup on load

---
 helpers.py | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/helpers.py b/helpers.py
index f3d3c05..691682c 100644
--- a/helpers.py
+++ b/helpers.py
@@ -470,11 +470,16 @@ def load_material(target=None, data=None, create=False):
 
         # load nodes
         if data["use_nodes"]:
+            if target.node_tree is None:
+                target.use_nodes = True
+            
+            target.node_tree.nodes.clear()
+
             for node in data["node_tree"]["nodes"]:
                 # fix None node tree error
-                if target.node_tree is None:
-                    target.use_nodes = True
+               
 
+                
                 index = target.node_tree.nodes.find(node)
 
                 if index is -1: