Update app.py

app.py

@@ -72,7 +72,7 @@ def reply(input, dataset_name):
                     model="text-davinci-003"
                 )
         
-        system_message = response["choices"][0]["text"].strip(" \n")]
+        system_message = response["choices"][0]["text"].strip(" \n")
         messages.append(system_message)
         chat_transcript = ""
         for message in messages: