diff --git a/merico/unit_tests/ut_workflow.py b/merico/unit_tests/ut_workflow.py
index 052ecbe..6f92bd7 100644
--- a/merico/unit_tests/ut_workflow.py
+++ b/merico/unit_tests/ut_workflow.py
@@ -1,3 +1,4 @@
+# ruff: noqa: I001
 from typing import Dict, List, Tuple
 
 from find_context import (