diff options
Diffstat (limited to 'Modules/itertoolsmodule.c')
| -rw-r--r-- | Modules/itertoolsmodule.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/Modules/itertoolsmodule.c b/Modules/itertoolsmodule.c index 0a20c1b..fae4511 100644 --- a/Modules/itertoolsmodule.c +++ b/Modules/itertoolsmodule.c @@ -882,7 +882,7 @@ the following reasons: None. 4) If a need does arise, it can be met by __builtins__.map() or by - writing a generator. + writing: chain(iterable, repeat(None)). 5) Similar toolsets in Haskell and SML do not have automatic None fill-in. */ @@ -1574,8 +1574,18 @@ izip_dealloc(izipobject *lz) static int izip_traverse(izipobject *lz, visitproc visit, void *arg) { - if (lz->ittuple) - return visit(lz->ittuple, arg); + int err; + + if (lz->ittuple) { + err = visit(lz->ittuple, arg); + if (err) + return err; + } + if (lz->result) { + err = visit(lz->result, arg); + if (err) + return err; + } return 0; } |