[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

nailgun/entity_mixins.py

@@ -1456,7 +1456,7 @@ def to_json_serializable(obj):
 
     if isinstance(obj, dict):
         return {k: to_json_serializable(v) for k, v in obj.items()}
-    elif isinstance(obj, (list, tuple)):
+    elif isinstance(obj, list | tuple):
         return [to_json_serializable(v) for v in obj]
     elif isinstance(obj, datetime):
         return obj.strftime('%Y-%m-%d %H:%M:%S')

tests/test_client.py

@@ -1,10 +1,9 @@
 """Unit tests for :mod:`nailgun.client`."""
 import inspect
-from unittest import mock
-from unittest import TestCase
+from unittest import TestCase, mock
 
-import requests
 from fauxfactory import gen_alpha
+import requests
 
 from nailgun import client