fix: image uuid error

multi_user/bl_types/bl_image.py

@@ -44,11 +44,20 @@ format_to_ext = {
 }
 
 
-def dump_image(image):
+class BlImage(BlDatablock):
+    bl_id = "images"
+    bl_class = bpy.types.Image
+    bl_delay_refresh = 1
+    bl_delay_apply = 1
+    bl_automatic_push = True
+    bl_check_common = False
+    bl_icon = 'IMAGE_DATA'
+
+    def dump_image(self, image):
         pixels = None
         if image.source == "GENERATED" or image.packed_file is not None:
             prefs = utils.get_preferences()
-        img_name = f"{image.uuid}.{format_to_ext[image.file_format]}"
+            img_name = f"{self.uuid}.{format_to_ext[image.file_format]}"
 
             # Cache the image on the disk
             image.filepath_raw = os.path.join(prefs.cache_directory, img_name)
@@ -67,16 +76,6 @@ def dump_image(image):
             raise ValueError()
         return pixels
 
-
-class BlImage(BlDatablock):
-    bl_id = "images"
-    bl_class = bpy.types.Image
-    bl_delay_refresh = 1
-    bl_delay_apply = 1
-    bl_automatic_push = True
-    bl_check_common = False
-    bl_icon = 'IMAGE_DATA'
-
     def _construct(self, data):
         return bpy.data.images.new(
             name=data['name'],
@@ -108,7 +107,7 @@ class BlImage(BlDatablock):
     def _dump(self, instance=None):
         assert(instance)
         data = {}
-        data['pixels'] = dump_image(instance)
+        data['pixels'] = self.dump_image(instance)
         dumper = Dumper()
         dumper.depth = 2
         dumper.include_filter = [