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-rw-r--r--Modules/itertoolsmodule.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/Modules/itertoolsmodule.c b/Modules/itertoolsmodule.c
index 71081fb..94617a9 100644
--- a/Modules/itertoolsmodule.c
+++ b/Modules/itertoolsmodule.c
@@ -498,6 +498,7 @@ tee_copy(teeobject *to)
newto->dataobj = to->dataobj;
newto->index = to->index;
newto->weakreflist = NULL;
+ PyObject_GC_Track(newto);
return (PyObject *)newto;
}