1 files changed, 9 insertions, 5 deletions
diff --git a/Objects/typevarobject.c b/Objects/typevarobject.c
index 3ab8cb1..ace079d 100644
--- a/Objects/typevarobject.c
+++ b/Objects/typevarobject.c
@@ -2,8 +2,8 @@
 #include "Python.h"
 #include "pycore_object.h"        // _PyObject_GC_TRACK/UNTRACK, PyAnnotateFormat
 #include "pycore_typevarobject.h"
-#include "pycore_unionobject.h"   // _Py_union_type_or
-
+#include "pycore_unionobject.h"   // _Py_union_type_or, _Py_union_from_tuple
+#include "structmember.h"
 
 /*[clinic input]
 class typevar "typevarobject *" "&_PyTypeVar_Type"
@@ -370,9 +370,13 @@ type_check(PyObject *arg, const char *msg)
 static PyObject *
 make_union(PyObject *self, PyObject *other)
 {
-    PyObject *args[2] = {self, other};
-    PyObject *result = call_typing_func_object("_make_union", args, 2);
-    return result;
+    PyObject *args = PyTuple_Pack(2, self, other);
+    if (args == NULL) {
+        return NULL;
+    }
+    PyObject *u = _Py_union_from_tuple(args);
+    Py_DECREF(args);
+    return u;
 }
 
 static PyObject *