diff --git a/Objects/abstract.c b/Objects/abstract.c
index f14a923..842c367 100644
--- a/Objects/abstract.c
+++ b/Objects/abstract.c
@@ -2804,9 +2804,7 @@ PyIter_Send(PyObject *iter, PyObject *arg, PyObject **result)
     _Py_IDENTIFIER(send);
     assert(arg != NULL);
     assert(result != NULL);
-    if (PyType_HasFeature(Py_TYPE(iter), Py_TPFLAGS_HAVE_AM_SEND)) {
-        assert (Py_TYPE(iter)->tp_as_async != NULL);
-        assert (Py_TYPE(iter)->tp_as_async->am_send != NULL);
+    if (Py_TYPE(iter)->tp_as_async && Py_TYPE(iter)->tp_as_async->am_send) {
         PySendResult res = Py_TYPE(iter)->tp_as_async->am_send(iter, arg, result);
         assert(_Py_CheckSlotResult(iter, "am_send", res != PYGEN_ERROR));
         return res;