@@ -205,15 +205,15 @@ def current_page(self) -> int:
         return self._list.current_page
 
     @property
-    def prev_page(self) -> int:
+    def prev_page(self) -> Optional[int]:
         """The previous page number.
 
         If None, the current page is the first.
         """
         return self._list.prev_page
 
     @property
-    def next_page(self) -> int:
+    def next_page(self) -> Optional[int]:
         """The next page number.
 
         If None, the current page is the last.