Fix

python-attrs · Apr 14, 2022 · e3bf3e0 · e3bf3e0
1 parent aac7a49
commit e3bf3e0
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/cattrs/_compat.py b/src/cattrs/_compat.py
@@ -135,7 +135,7 @@ def is_union_type(obj):
         )
 
     def get_newtype_base(typ: Any) -> Optional[type]:
-        supertype = getattr(type, "__supertype__", None)
+        supertype = getattr(typ, "__supertype__", None)
         if (
             supertype is not None
             and getattr(typ, "__qualname__", "") == "NewType.<locals>.new_type"