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-rw-r--r--nfvbench/chain_managers.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/nfvbench/chain_managers.py b/nfvbench/chain_managers.py
index cbc53e2..8b605aa 100644
--- a/nfvbench/chain_managers.py
+++ b/nfvbench/chain_managers.py
@@ -111,7 +111,7 @@ class StatsManager(object):
def _generate_traffic(self):
if self.config.no_traffic:
- return
+ return {}
self.interval_collector = IntervalCollector(time.time())
self.interval_collector.attach_notifier(self.notifier)