diff options
| -rw-r--r-- | Modules/itertoolsmodule.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Modules/itertoolsmodule.c b/Modules/itertoolsmodule.c index bd5543cae7..62b2c19b90 100644 --- a/Modules/itertoolsmodule.c +++ b/Modules/itertoolsmodule.c @@ -1919,7 +1919,7 @@ product_next(productobject *lz) Py_DECREF(old_result); } /* Now, we've got the only copy so we can update it in-place */ - assert (Py_REFCNT(result) == 1); + assert (npools==0 || Py_REFCNT(result) == 1); /* Update the pool indices right-to-left. Only advance to the next pool when the previous one rolls-over */ |