Renamed PyString to PyBytes
diff --git a/Objects/typeobject.c b/Objects/typeobject.c
index 88ce67f..73d501c 100644
--- a/Objects/typeobject.c
+++ b/Objects/typeobject.c
@@ -3462,8 +3462,8 @@
 		type->tp_flags |= Py_TPFLAGS_TYPE_SUBCLASS;
 	else if (PyType_IsSubtype(base, &PyLong_Type))
 		type->tp_flags |= Py_TPFLAGS_LONG_SUBCLASS;
-	else if (PyType_IsSubtype(base, &PyString_Type))
-		type->tp_flags |= Py_TPFLAGS_STRING_SUBCLASS;
+	else if (PyType_IsSubtype(base, &PyBytes_Type))
+		type->tp_flags |= Py_TPFLAGS_BYTES_SUBCLASS;
 	else if (PyType_IsSubtype(base, &PyUnicode_Type))
 		type->tp_flags |= Py_TPFLAGS_UNICODE_SUBCLASS;
 	else if (PyType_IsSubtype(base, &PyTuple_Type))