py: Fix "TypeError: 'iterator' object is not iterable", doh.
diff --git a/py/objarray.c b/py/objarray.c
index ea8654b..c91c553 100644
--- a/py/objarray.c
+++ b/py/objarray.c
@@ -219,6 +219,7 @@
 STATIC const mp_obj_type_t array_it_type = {
     { &mp_type_type },
     .name = MP_QSTR_iterator,
+    .getiter = mp_identity,
     .iternext = array_it_iternext,
 };