diff --git a/openeo_driver/util/http.py b/openeo_driver/util/http.py
index d0892be5..663ec5e4 100644
--- a/openeo_driver/util/http.py
+++ b/openeo_driver/util/http.py
@@ -1,6 +1,7 @@
+import base64
 import json
 from typing import Set, Union
-import base64
+
 import requests
 import requests.adapters
 
diff --git a/tests/util/test_http.py b/tests/util/test_http.py
index 5add0a16..c1c586f9 100644
--- a/tests/util/test_http.py
+++ b/tests/util/test_http.py
@@ -5,7 +5,7 @@
 import requests.exceptions
 from re_assert import Matches
 
-from openeo_driver.util.http import requests_with_retry, UrlSafeStructCodec
+from openeo_driver.util.http import UrlSafeStructCodec, requests_with_retry
 
 
 def test_requests_with_retry(caplog):
@@ -67,5 +67,3 @@ def test_basic(self, data):
         assert isinstance(encoded, str)
         assert re.fullmatch("[a-zA-Z0-9_/=-]+", encoded)
         assert codec.decode(encoded) == data
-
-        import regex