diff --git a/pypdf/_page.py b/pypdf/_page.py
index f71ea6c04..e06d0776e 100644
--- a/pypdf/_page.py
+++ b/pypdf/_page.py
@@ -95,7 +95,7 @@
     Image = object  # type: ignore
     pil_not_imported = True  # error will be raised only when using images
 
-MERGE_CROP_BOX = "cropbox"  # pypdf<=3.4.0 used 'trimbox'
+MERGE_CROP_BOX = "cropbox"  # pypdf <= 3.4.0 used "trimbox"
 
 
 def _get_rectangle(self: Any, name: str, defaults: Iterable[str]) -> RectangleObject:
@@ -115,8 +115,7 @@ def _get_rectangle(self: Any, name: str, defaults: Iterable[str]) -> RectangleOb
 
 
 def _set_rectangle(self: Any, name: str, value: Union[RectangleObject, float]) -> None:
-    name = NameObject(name)
-    self[name] = value
+    self[NameObject(name)] = value
 
 
 def _delete_rectangle(self: Any, name: str) -> None:
@@ -522,7 +521,7 @@ def hash_bin(self) -> int:
 
     def hash_value_data(self) -> bytes:
         data = super().hash_value_data()
-        data += b"%d" % id(self)
+        data += f"{id(self)}".encode()
         return data
 
     @property