bpo-43770: _PyTypes_Init() inits _PyAnextAwaitable_Type (GH-25266)
* Rename PyAnextAwaitable_Type to _PyAnextAwaitable_Type.
* Expose the type in the internal C API.
diff --git a/Include/iterobject.h b/Include/iterobject.h
index 51139bf..6454611 100644
--- a/Include/iterobject.h
+++ b/Include/iterobject.h
@@ -7,6 +7,9 @@ extern "C" {
PyAPI_DATA(PyTypeObject) PySeqIter_Type;
PyAPI_DATA(PyTypeObject) PyCallIter_Type;
+#ifdef Py_BUILD_CORE
+extern PyTypeObject _PyAnextAwaitable_Type;
+#endif
#define PySeqIter_Check(op) Py_IS_TYPE(op, &PySeqIter_Type)