More fixes

Author: Tinche

src/cattrs/v/__init__.py

@@ -1,6 +1,6 @@
 """Cattrs validation."""
 
-from typing import Any, Callable, List, TypeVar, Union, overload
+from typing import Any, Callable, List, Tuple, Type, TypeVar, Union, overload
 
 from attrs import NOTHING, frozen
 
@@ -38,7 +38,10 @@
 class VAnnotation:
     """Use this with Annotated to get validation."""
 
-    validators: tuple[Callable[[Any], Any]]
+    validators: Tuple[Callable[[Any], Any]]
+
+    def __init__(self, *validators: Callable[[Any], Any]):
+        self.__attrs_init__(validators)
 
 
 def format_exception(exc: BaseException, type: Union[type, None]) -> str:
@@ -154,18 +157,18 @@ def transform_error(
 
 @overload
 def ensure(
-    type: type[list[T]], *validators: Callable[[list[T]], Any], elems: type[E]
-) -> type[list[E]]: ...
+    type: Type[List[T]], *validators: Callable[[List[T]], Any], elems: Type[E]
+) -> Type[List[E]]: ...
 
 
 @overload
-def ensure(type: type[T], *validators: Callable[[T], Any]) -> type[T]: ...
+def ensure(type: Type[T], *validators: Callable[[T], Any]) -> Type[T]: ...
 
 
 def ensure(type: Any, *validators: Any, elems: Any = NOTHING) -> Any:
     if elems is not NOTHING:
         # These are lists.
         if not validators:
             return type[elems]
-        return Annotated[type, VAnnotation(validators)]
-    return Annotated[type, VAnnotation(validators)]
+        return Annotated[type, VAnnotation(*validators)]
+    return Annotated[type, VAnnotation(*validators)]