diff --git a/django-stubs/views/decorators/cache.pyi b/django-stubs/views/decorators/cache.pyi
index 992df85..7aaf3e7 100644
--- a/django-stubs/views/decorators/cache.pyi
+++ b/django-stubs/views/decorators/cache.pyi
@@ -2,6 +2,8 @@ from typing import Any, Callable, Optional, TypeVar
 
 _F = TypeVar("_F", bound=Callable[..., Any])
 
-def cache_page(timeout: float, *, cache: Optional[Any] = ..., key_prefix: Optional[Any] = ...) -> Callable: ...
+def cache_page(
+    timeout: Optional[float], *, cache: Optional[Any] = ..., key_prefix: Optional[Any] = ...
+) -> Callable: ...
 def cache_control(**kwargs: Any) -> Callable: ...
 def never_cache(view_func: _F) -> _F: ...