Update app.py

app.py

@@ -47,15 +47,10 @@ def respond(
     stream=True,
 )
         partial_message = ""
-        for response in stream:
-            if response.token.special:
-                continue
-            partial_message += response.token.text
-            chat_history = chat_history + [(message, partial_message)]
-            yield chat_history
-    except Exception as e:
-        error_message = f"An error occurred: {str(e)}"
-        chat_history.append((message, error_message))
+for response in stream:
+    if response.choices[0].delta.content is not None:
+        partial_message += response.choices[0].delta.content
+        chat_history = chat_history[:-1] + [(message, partial_message)]
         yield chat_history
 
 def clear_conversation():