Multiple bugfixes for NFVbench

[nfvbench.git] / nfvbench / chain_managers.py

diff --git a/nfvbench/chain_managers.py b/nfvbench/chain_managers.py
index 033eb7a..8b605aa 100644 (file)
--- a/nfvbench/chain_managers.py
+++ b/nfvbench/chain_managers.py
@@ -13,13 +13,14 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 #
+import time
+
 
 from log import LOG
 from network import Network
 from packet_analyzer import PacketAnalyzer
 from specs import ChainType
 from stats_collector import IntervalCollector
-import time
 
 
 class StageManager(object):
@@ -110,7 +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)