diff options
| -rw-r--r-- | Modules/_collectionsmodule.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/Modules/_collectionsmodule.c b/Modules/_collectionsmodule.c index 479b052..0b7a88f 100644 --- a/Modules/_collectionsmodule.c +++ b/Modules/_collectionsmodule.c @@ -1218,6 +1218,7 @@ deque_del_item(dequeobject *deque, Py_ssize_t i) static int deque_ass_item(dequeobject *deque, Py_ssize_t i, PyObject *v) { + PyObject *old_value; block *b; Py_ssize_t n, len=Py_SIZE(deque), halflen=(len+1)>>1, index=i; @@ -1246,7 +1247,9 @@ deque_ass_item(dequeobject *deque, Py_ssize_t i, PyObject *v) b = b->leftlink; } Py_INCREF(v); - Py_SETREF(b->data[i], v); + old_value = b->data[i]; + b->data[i] = v; + Py_DECREF(old_value); return 0; } |