[NFVBENCH-59] Add Unit Testing of the NDR/PDR convergence algorithm using the dummy...

[nfvbench.git] / nfvbench / chain_managers.py

diff --git a/nfvbench/chain_managers.py b/nfvbench/chain_managers.py
index cbc53e2..8b605aa 100644 (file)
--- 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)