all: Raise exceptions via mp_raise_XXX

  - Changed: ValueError, TypeError, NotImplementedError
  - OSError invocations unchanged, because the corresponding utility
    function takes ints, not strings like the long form invocation.
  - OverflowError, IndexError and RuntimeError etc. not changed for now
    until we decide whether to add new utility functions.

1 files changed, 1 insertions, 1 deletions

diff --git a/py/objtuple.c b/py/objtuple.c
index cbe6454943..765edb907c 100644
--- a/py/objtuple.c
+++ b/py/objtuple.c
@@ -181,7 +181,7 @@ mp_obj_t mp_obj_tuple_subscr(mp_obj_t self_in, mp_obj_t index, mp_obj_t value) {
         if (MP_OBJ_IS_TYPE(index, &mp_type_slice)) {
             mp_bound_slice_t slice;
             if (!mp_seq_get_fast_slice_indexes(self->len, index, &slice)) {
-                mp_not_implemented("only slices with step=1 (aka None) are supported");
+                mp_raise_NotImplementedError("only slices with step=1 (aka None) are supported");
             }
             mp_obj_tuple_t *res = MP_OBJ_TO_PTR(mp_obj_new_tuple(slice.stop - slice.start, NULL));
             mp_seq_copy(res->items, self->items + slice.start, res->len, mp_obj_t);