diff --git a/qtpy/QtWidgets.py b/qtpy/QtWidgets.py
index b02549d1..83009245 100644
--- a/qtpy/QtWidgets.py
+++ b/qtpy/QtWidgets.py
@@ -192,7 +192,9 @@ def __getattr__(attr):
 
 # Make `addAction` compatible with Qt6 >= 6.3
 if PYQT5 or PYSIDE2 or parse(QT_VERSION) < parse("6.3"):
-    QMenu.addAction = partialmethod(_utils.add_action, old_add_action=QMenu.addAction)
+    QMenu.addAction = partialmethod(
+        _utils.add_action, old_add_action=QMenu.addAction,
+    )
     QToolBar.addAction = partialmethod(
         _utils.add_action,
         old_add_action=QToolBar.addAction,