Type non-parametrised views.decorators.http (typeddjango#80)

Fixes `error: Untyped decorator makes function "view" untyped`

django-stubs/views/decorators/http.pyi

@@ -1,15 +1,12 @@
 from typing import Any, Callable, List, Optional, TypeVar
 
-conditional_page: Any
-
-def require_http_methods(request_method_list: List[str]) -> Callable: ...
-
-require_GET: Any
-require_POST: Any
-require_safe: Any
-
 _F = TypeVar("_F", bound=Callable[..., Any])
 
+def conditional_page(_F) -> _F: ...
+def require_http_methods(request_method_list: List[str]) -> Callable: ...
+def require_GET(_F) -> _F: ...
+def require_POST(_F) -> _F: ...
+def require_safe(_F) -> _F: ...
 def condition(etag_func: Optional[Callable] = ..., last_modified_func: Optional[Callable] = ...) -> Callable: ...
 def etag(etag_func: Callable[..., Any]) -> Callable[[_F], _F]: ...
 def last_modified(last_modified_func: Callable[..., Any]) -> Callable[[_F], _F]: ...