robustly import ns.visualizer in example

2012-08-26 23:55:21 -07:00
parent 20cf7f4cb8
commit 50dd7b58b2
1 changed files with 4 additions and 1 deletions
--- a/src/flow-monitor/examples/wifi-olsr-flowmon.py
+++ b/src/flow-monitor/examples/wifi-olsr-flowmon.py
@@ -26,7 +26,10 @@ import ns.mobility
 import ns.network
 import ns.olsr
 import ns.wifi
-import ns.visualizer
+try:
+    import ns.visualizer
+except ImportError:
+    pass

 DISTANCE = 100 # (m)
 NUM_NODES_SIDE = 3