Update app.py

app.py

@@ -447,6 +447,13 @@ def process_storybook_async(request_id, request_data):
         print(f"🔧 Starting async processing for request: {request_id}")
         print(f"📖 Pages to process: {len(request_data['scenes'])}")
         
+        # Convert dictionary back to proper objects for character handling
+        characters = []
+        if 'characters' in request_data and request_data['characters']:
+            # Convert character dicts back to CharacterDescription objects
+            for char_dict in request_data['characters']:
+                characters.append(CharacterDescription(**char_dict))
+        
         # Initial memory check
         initial_memory = monitor_memory()
         
@@ -454,13 +461,13 @@ def process_storybook_async(request_id, request_data):
             try:
                 print(f"🔄 Processing page {i+1}/{len(request_data['scenes'])} for request {request_id}")
                 
-                # Generate single page
+                # Generate single page - pass the converted character objects
                 image, status = generate_storybook_page(
                     scene['visual'],
                     request_data['story_title'],
                     i+1,
                     scene['text'],
-                    request_data.get('characters', []),
+                    characters,  # Pass the converted objects, not raw dicts
                     request_data.get('model_choice', 'dreamshaper-8'),
                     request_data.get('style', 'childrens_book')
                 )