diff --git a/chat/web_demo.py b/chat/web_demo.py
index c7aae92..702fe53 100644
--- a/chat/web_demo.py
+++ b/chat/web_demo.py
@@ -9,6 +9,7 @@ Please run with the command `streamlit run path/to/web_demo.py --server.address=
 Using `python path/to/web_demo.py` may cause unknown problems.
 """
 
+# isort: skip_file
 import copy
 import warnings
 from dataclasses import asdict, dataclass