Correct an accidentally removed previous patch.
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index f4e3755..d93f780 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -7061,14 +7061,11 @@
PyUnicode_Contains, /* sq_contains */
};
-#define HASINDEX(o) PyType_HasFeature((o)->ob_type, Py_TPFLAGS_HAVE_INDEX)
-
static PyObject*
unicode_subscript(PyUnicodeObject* self, PyObject* item)
{
- PyNumberMethods *nb = item->ob_type->tp_as_number;
- if (nb != NULL && HASINDEX(item) && nb->nb_index != NULL) {
- Py_ssize_t i = nb->nb_index(item);
+ if (PyIndex_Check(item)) {
+ Py_ssize_t i = PyNumber_AsSsize_t(item, PyExc_IndexError);
if (i == -1 && PyErr_Occurred())
return NULL;
if (i < 0)