Update app.py

app.py

@@ -220,10 +220,14 @@ def _launch_demo(args):
                 temperature=0.7,
                 top_p=1.0,
             )
-        response_text = []
         for response in responses:
-            response_text.append(response.choices[0].delta.content)
-  
+            response = response.choices[0].delta.content
+            response_text = []
+            for ele in response:
+                if 'text' in ele:
+                    response_text.append(ele['text'])
+                elif 'box' in ele:
+                    response_text.append(ele['box'])
             response_text = ''.join(response_text)
             _chatbot[-1] = (_parse_text(chat_query), _remove_image_special(response_text))
             yield _chatbot