Annotate orm.mapper.validates (#111)

Author: gtaylor

sqlalchemy-stubs/orm/mapper.pyi

@@ -1,4 +1,4 @@
-from typing import Any, Optional
+from typing import Any, Optional, Callable
 from .interfaces import InspectionAttr
 from .base import class_mapper as class_mapper
 
@@ -94,7 +94,7 @@ class Mapper(InspectionAttr):
 
 def configure_mappers(): ...
 def reconstructor(fn): ...
-def validates(*names, **kw): ...
+def validates(*names, **kw) -> Callable[..., Any]: ...
 
 class _ColumnMapping(dict):
     mapper: Any = ...