commit c98f87fc330eb40fbcff627dfc50958785a44f35
author Dong-hee Na <donghee.na92@gmail.com> Mon Mar 16 23:04:14 2020 +0900
committer GitHub <noreply@github.com> Mon Mar 16 15:04:14 2020 +0100
tree ff0e4a920cdabc2de995aaec67f380f6af22371c
parent f707d94af68a15afc27c1a9da5835f9456259fea

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

Objects/tupleobject.c

diff --git a/Objects/tupleobject.c b/Objects/tupleobject.c
index 839667a..d4165de 100644
--- a/Objects/tupleobject.c
+++ b/Objects/tupleobject.c
@@ -713,9 +713,9 @@
         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;
     }