py/objstr: Optimise mp_obj_new_str_from_vstr for known-safe strings.

The new `mp_obj_new_str_from_utf8_vstr` can be used when you know you
already have a unicode-safe string.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/py/parsenum.c b/py/parsenum.c
index 79765f84f..d59715fdc 100644
--- a/py/parsenum.c
+++ b/py/parsenum.c
@@ -160,7 +160,7 @@ value_error:
         mp_printf(&print, "invalid syntax for integer with base %d: ", base);
         mp_str_print_quoted(&print, str_val_start, top - str_val_start, true);
         mp_obj_t exc = mp_obj_new_exception_arg1(&mp_type_ValueError,
-            mp_obj_new_str_from_vstr(&vstr));
+            mp_obj_new_str_from_utf8_vstr(&vstr));
         raise_exc(exc, lex);
         #endif
     }