Issue #16991: Add a C implementation of collections.OrderedDict.
diff --git a/Modules/_collectionsmodule.c b/Modules/_collectionsmodule.c
index 2b70b2b..c1fd8b9 100644
--- a/Modules/_collectionsmodule.c
+++ b/Modules/_collectionsmodule.c
@@ -2263,6 +2263,9 @@
Py_INCREF(&defdict_type);
PyModule_AddObject(m, "defaultdict", (PyObject *)&defdict_type);
+ Py_INCREF(&PyODict_Type);
+ PyModule_AddObject(m, "OrderedDict", (PyObject *)&PyODict_Type);
+
if (PyType_Ready(&dequeiter_type) < 0)
return NULL;
Py_INCREF(&dequeiter_type);