Update app.py

app.py

@@ -122,8 +122,8 @@ def _launch_demo(args, model, tokenizer):
                 processed_history.append(item)
             else:
                 print("Invalid history item:", item)
-        history = process_history_for_model(processed_history)
-        response, history = model.chat(tokenizer, query=query, history=history)
+        processed_history = process_history_for_model(task_history)
+        response, history = model.chat(tokenizer, query=query, history=processed_history)
         image = tokenizer.draw_bbox_on_latest_picture(response, history)
         if image is not None:
             image_path = save_image(image)  
@@ -175,11 +175,11 @@ def _launch_demo(args, model, tokenizer):
         processed_history = []
         for query, response in task_history:
             if isinstance(query, tuple): 
-                processed_history.append({'image': query[0]})
+                query = {'image': query[0]}
             else:
-                processed_history.append({'text': query})
-            if response:
-                processed_history.append({'text': response})
+                query = {'text': query}
+            response = response or ""
+            processed_history.append((query, response))
         return processed_history
 
     def reset_state(task_history):