diff --git a/csst_common/data_manager.py b/csst_common/data_manager.py
index f48c62d3a6aae5d99158b8d4aa670dd2ddbf0df4..035081f2275117446200d246b3732b2a8c37690e 100644
--- a/csst_common/data_manager.py
+++ b/csst_common/data_manager.py
@@ -252,8 +252,8 @@ class CsstMsDataManager:
 
         # parse info
         _telescope, _instrument, _survey, _imagetype, \
-        _exp_start, _exp_stop, _exp_id, \
-        _detector, *_l0_post, _ext = re.split(r"[_.]", fps_img[0])
+            _exp_start, _exp_stop, _exp_id, \
+            _detector, *_l0_post, _ext = re.split(r"[_.]", fps_img[0])
 
         _exp_start = int(_exp_start)
         _exp_stop = int(_exp_stop)
diff --git a/csst_common/utils/_io.py b/csst_common/utils/_io.py
index fe8ddfe45a137e2a7d305edb1ef68052a9a69ff7..a45929958059321cbebcfbd607c8a7ae761ecf3a 100644
--- a/csst_common/utils/_io.py
+++ b/csst_common/utils/_io.py
@@ -13,7 +13,3 @@ def remove_dir(path=""):
     """ Remove the specified directory. """
     if os.path.exists(path):
         shutil.rmtree(path)
-
-
-
-