diff --git a/radicale/tests/test_base.py b/radicale/tests/test_base.py
index 0acc22e4..ab7954bf 100644
--- a/radicale/tests/test_base.py
+++ b/radicale/tests/test_base.py
@@ -24,11 +24,11 @@ Radicale tests with simple requests.
 import logging
 import os
 import posixpath
+import urllib
 from typing import Any, Callable, ClassVar, Iterable, List, Optional, Tuple
 
 import defusedxml.ElementTree as DefusedET
 import pytest
-import urllib
 import vobject
 
 from radicale import storage, utils, xmlutils