formatting

Author: ohemorange

tests/util_test.py

@@ -24,8 +24,11 @@ def setUp(self) -> None:
 
     def test_getattr_proxy(self) -> None:
         with warnings.catch_warnings():
-            warnings.filterwarnings('ignore', category=DeprecationWarning,
-                message='.*Use timezone-aware objects to represent datetimes')
+            warnings.filterwarnings(
+                "ignore",
+                category=DeprecationWarning,
+                message=".*Use timezone-aware objects to represent datetimes",
+            )
             assert self.cert1.has_expired() is True
 
     def test_eq(self) -> None: