Update app.py

app.py

@@ -11,7 +11,7 @@ def chatbot(input):
     if input:
         messages.append({"role": "user", "content": input})
         chat = openai.ChatCompletion.create(
-            model=gpt-4-32k", messages=messages
+            model="gpt-4-32k", messages=messages
         )
         reply = chat.choices[0].message.content
         messages.append({"role": "assistant", "content": reply})