bpo-37207: Use _PyArg_CheckPositional() for tuple vectorcall (GH-18986)

diff --git a/Objects/tupleobject.c b/Objects/tupleobject.c
index 839667ad6f1730c6d123cbd95d9e0ce1e7d5b831..d4165dec17a000736c7aa4e4eb7f56e0ae35a5d9 100644 (file)
--- a/Objects/tupleobject.c
+++ b/Objects/tupleobject.c
@@ -713,9 +713,9 @@ tuple_vectorcall(PyObject *type, PyObject * const*args,
         PyErr_Format(PyExc_TypeError, "tuple() takes no keyword arguments");
         return NULL;
     }
+
     Py_ssize_t nargs = PyVectorcall_NARGS(nargsf);
-    if (nargs > 1) {
-        PyErr_Format(PyExc_TypeError, "tuple() expected at most 1 argument, got %zd", nargs);
+    if (!_PyArg_CheckPositional("tuple", nargs, 0, 1)) {
         return NULL;
     }