use as_ref for PyRawObject in __new__ wrapper

pyo3cls/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "pyo3cls"
-version = "0.2.0"
+version = "0.2.1"
 description = "Proc macros for PyO3 package"
 authors = ["PyO3 Project and Contributors <https://github.com/PyO3"]
 homepage = "https://github.com/pyo3/pyo3"

pyo3cls/src/py_method.rs

@@ -128,7 +128,7 @@ pub fn impl_wrap_new(cls: &Box<syn::Ty>, name: &syn::Ident, spec: &FnSpec) -> To
         |item| if item.1.py {syn::Ident::from("_py")} else {
             syn::Ident::from(format!("arg{}", item.0))}).collect();
     let cb = quote! {{
-        #cls::#name(&_obj, #(#names),*)
+        #cls::#name(_obj.as_ref(), #(#names),*)
     }};
 
     let body = impl_arg_params(spec, cb);