1 files changed, 4 insertions, 0 deletions
diff --git a/py/runtime.c b/py/runtime.c
index cdbf99d4a5..179b48d327 100644
--- a/py/runtime.c
+++ b/py/runtime.c
@@ -1150,6 +1150,10 @@ void *m_malloc_fail(int num_bytes) {
     nlr_raise((mp_obj_t)&mp_const_MemoryError_obj);
 }
 
+NORETURN void mp_not_implemented(const char *msg) {
+    nlr_raise(mp_obj_new_exception_msg(&mp_type_NotImplementedError, msg));
+}
+
 // these must correspond to the respective enum
 void *const mp_fun_table[MP_F_NUMBER_OF] = {
     mp_load_const_int,