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-rw-r--r--nfvbench/traffic_gen/traffic_base.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/nfvbench/traffic_gen/traffic_base.py b/nfvbench/traffic_gen/traffic_base.py
index 434fdae..9c78d7e 100644
--- a/nfvbench/traffic_gen/traffic_base.py
+++ b/nfvbench/traffic_gen/traffic_base.py
@@ -30,6 +30,7 @@ class Latency(object):
self.min_usec = sys.maxint
self.max_usec = 0
self.avg_usec = 0
+ self.hdrh = None
if latency_list:
for lat in latency_list:
if lat.available():