revert

Author: 0b01

vm/src/macros.rs

@@ -84,8 +84,9 @@ macro_rules! arg_check {
         //  assign the arg to a variable
         $(
             let len = $args.args.len();
+            let klen = $args.kwargs.len();
             let $optional_arg_name = if arg_count >= len && (arg_count - len) < $args.kwargs.len() {
-                let idx = arg_count-len;
+                let idx = klen - (arg_count-len) - 1;
                 type_check!($vm, &$args.kwargs[idx].1, arg_count-len, $optional_arg_name, $optional_arg_type);
                 let kwarg = &$args.kwargs[idx];
                 if &kwarg.0 == stringify!($optional_arg_name) {

vm/src/pyobject.rs

@@ -893,7 +893,7 @@ pub struct PyFuncArgs {
 impl PyFuncArgs {
     pub fn new(mut args: Vec<PyObjectRef>, kwarg_names: Vec<String>) -> PyFuncArgs {
         let mut kwargs = vec![];
-        for name in kwarg_names.iter() {
+        for name in kwarg_names.iter().rev() {
             kwargs.push((name.clone(), args.pop().unwrap()));
         }
         PyFuncArgs { args, kwargs }