diff --git a/qlib/workflow/cli.py b/qlib/workflow/cli.py
index 70c206b598..cda3fdbe16 100644
--- a/qlib/workflow/cli.py
+++ b/qlib/workflow/cli.py
@@ -2,14 +2,12 @@
 #  Licensed under the MIT License.
 import logging
 import os
-import os
 from pathlib import Path
 import sys
 
 import fire
 from jinja2 import Template, meta
 import ruamel.yaml as yaml
-import yaml
 
 import qlib
 from qlib.config import C