Update app.py

app.py

@@ -58,7 +58,7 @@ def function(Textbox,Textbox2,Textbox3):
         # ]
         if Textbox2:
             chat = openai.ChatCompletion.create(
-                model="gpt-3.5-turbo", messages=Textbox2
+                model="gpt-3.5-turbo", messages=list(Textbox2.items()))
             )
         reply = chat.choices[0].message.content
         messages.append({"role": "assistant", "content": reply})