diff --git a/sdks/python-client/dify_client/client.py b/sdks/python-client/dify_client/client.py
index 201391eae9..2154741e91 100644
--- a/sdks/python-client/dify_client/client.py
+++ b/sdks/python-client/dify_client/client.py
@@ -1,5 +1,5 @@
 import json
-from typing import Literal
+from typing import IO, Literal
 import requests