1 files changed, 1 insertions, 0 deletions
diff --git a/py/obj.h b/py/obj.h
index 174b89ee92..a91cf767af 100644
--- a/py/obj.h
+++ b/py/obj.h
@@ -539,6 +539,7 @@ extern const mp_obj_type_t mp_type_property;
 extern const mp_obj_type_t mp_type_stringio;
 extern const mp_obj_type_t mp_type_bytesio;
 extern const mp_obj_type_t mp_type_reversed;
+extern const mp_obj_type_t mp_type_polymorph_iter;
 
 // Exceptions
 extern const mp_obj_type_t mp_type_BaseException;