Update app.py

app.py

@@ -36,11 +36,12 @@ async def main_interface(user_text):
 
 
 async def respond(message, history):
-    if history is None:
-        history = []
+    if history is None: history = []
 
     _, response_text = await main_interface(message)
-    history.append((message, response_text))
+
+    history.append({"role": "user", "content": message})
+    history.append({"role": "assistant", "content": response_text})
 
     return "", history