diff --git a/dags/taskflow.py b/dags/taskflow.py
index bb4abbf8eefe8041d6321434635688c91af74fa3..223d3dde9e7550121ce4bfd1e08722830667d257 100644
--- a/dags/taskflow.py
+++ b/dags/taskflow.py
@@ -1,16 +1,16 @@
 
-from airflow.operators.python import PythonOperator
+import json
+import os
+
 from airflow.decorators import dag, task
-from airflow.models.connection import Connection
 from airflow.models import Variable
+from airflow.models.connection import Connection
+from airflow.operators.python import PythonOperator
 from airflow.utils.dates import days_ago
-import os
 from datacat_integration.hooks import DataCatalogHook
-import json
-
 
+from b2shareoperator import download_file, get_file_list, get_object_md
 from decors import get_connection, remove, setup
-from b2shareoperator import (download_file, get_file_list, get_object_md)
 
 default_args = {
     'owner': 'airflow',
diff --git a/dags/taskflow_stream.py b/dags/taskflow_stream.py
index 2412e625f09ad1d078ae38349121c26e942dc4c4..4b24fbe8d1ebd14ff54edd4aa5107a8070610358 100644
--- a/dags/taskflow_stream.py
+++ b/dags/taskflow_stream.py
@@ -1,4 +1,4 @@
-from importlib.metadata import metadata
+
 import os
 import shutil
 import requests