From e3fabd10cb898a93cf32d743d44ca85290b78f07 Mon Sep 17 00:00:00 2001 From: Raymond Hettinger Date: Sun, 2 Mar 2008 12:02:19 +0000 Subject: [PATCH] Handle 0-tuples which can be singletons. --- Modules/itertoolsmodule.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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 */ -- 2.40.0