NFVBENCH-175 pylint w0707 correction

[nfvbench.git] / nfvbench / traffic_client.py

diff --git a/nfvbench/traffic_client.py b/nfvbench/traffic_client.py
index 89653a8..460e7c2 100755 (executable)
--- a/nfvbench/traffic_client.py
+++ b/nfvbench/traffic_client.py
@@ -288,7 +288,7 @@ class Device(object):
                 value = int((ip_size / step)) + 1
             return value
         except ZeroDivisionError:
-            raise ZeroDivisionError("step can't be zero !")
+            raise ZeroDivisionError("step can't be zero !") from ZeroDivisionError
 
     def set_mac(self, mac):
         """Set the local MAC for this port device."""