diff options
Diffstat (limited to 'Objects/tupleobject.c')
-rw-r--r-- | Objects/tupleobject.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Objects/tupleobject.c b/Objects/tupleobject.c index 0faedb4..d6fb6b4 100644 --- a/Objects/tupleobject.c +++ b/Objects/tupleobject.c @@ -133,7 +133,7 @@ PyTuple_SetItem(op, i, newitem) { register PyObject *olditem; register PyObject **p; - if (!PyTuple_Check(op)) { + if (!PyTuple_Check(op) || op->ob_refcnt != 1) { Py_XDECREF(newitem); PyErr_BadInternalCall(); return -1; |