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

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

simple_history/models.py

@@ -965,9 +965,7 @@ def get_queryset(self, **hints):
                 None,
             )
             if history and histmgr:
-                return histmgr.as_of(
-                    getattr(history, "_as_of", history.history_date)
-                )
+                return histmgr.as_of(getattr(history, "_as_of", history.history_date))
         return super().get_queryset(**hints)