Fix: return Anytype

Author: uko3211

mypy/plugins/attrs.py

@@ -1038,8 +1038,7 @@ def _get_attrs_init_type(typ: Instance) -> CallableType | None | AnyType:
 
     # case 2: overloaded method
     if isinstance(init_method, OverloadedFuncDef) and isinstance(init_method.type, Overloaded):
-        if len(init_method.type.items) >= 1:
-            return AnyType(TypeOfAny.explicit)
+        return AnyType(TypeOfAny.special_form)
     return None
 
 
@@ -1095,8 +1094,7 @@ def _get_expanded_attr_types(
             _fail_not_attrs_class(ctx, display_typ, parent_typ)
             return None
         if isinstance(init_func, AnyType):
-            _fail_not_attrs_class(ctx, display_typ, parent_typ)
-            return None
+            return AnyType(TypeOfAny.special_form)
         init_func = expand_type_by_instance(init_func, typ)
         # [1:] to skip the self argument of AttrClass.__init__
         field_names = cast(list[str], init_func.arg_names[1:])