Update app.py

app.py

@@ -48,7 +48,7 @@ def evaluate(
         df_result.iloc[0, 3] = response["usage"]["total_tokens"]   
     
         now = datetime.datetime.now()
-        file_name = f'chatgpt3/test_{now.strftime("%Y%m%d_%H%M%S")}.csv'
+        file_name = f'chatgpt4/test_{now.strftime("%Y%m%d_%H%M%S")}.csv'
         
         csv_buffer = df_result.to_csv(index=False)
         s3.put_object(Bucket=bucket_name, Key=file_name, Body=csv_buffer)