fix json palette export

2.3.4

- fixed: bug when exporting json palettes containing empty material slots

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+2.3.4
+
+- fixed: bug when exporting json palettes containing empty material slots
+
 2.3.3
 
 - fixed: Bug with animation manager objects data

OP_palettes.py

@@ -129,6 +129,8 @@ class GPTB_OT_save_palette(bpy.types.Operator, ExportHelper):
         dic = {}
         allmat=[]
         for mat in ob.data.materials:
+            if not mat:
+                continue
             if not mat.is_grease_pencil:
                 continue
             if mat in allmat:

__init__.py

@@ -4,7 +4,7 @@ bl_info = {
 "name": "GP toolbox",
 "description": "Tool set for Grease Pencil in animation production",
 "author": "Samuel Bernou, Christophe Seux",
-"version": (2, 3, 3),
+"version": (2, 3, 4),
 "blender": (3, 0, 0),
 "location": "Sidebar (N menu) > Gpencil > Toolbox / Gpencil properties",
 "warning": "",