fix lint

Author: NewFuture

util/config.py

@@ -156,6 +156,7 @@ class ExtendAction(Action):
     """
     兼容 Python <3.8 的 extend action
     """
+
     def __call__(self, parser, namespace, values, option_string=None):
         items = getattr(namespace, self.dest, None)
         if items is None:
@@ -165,4 +166,4 @@ def __call__(self, parser, namespace, values, option_string=None):
             items.extend(values)
         else:
             items.append(values)
-        setattr(namespace, self.dest, items)
+        setattr(namespace, self.dest, items)