Fixed _restapi.py example topo to support ping example mentioned in main README.md
diff --git a/src/emuvim/examples/simple_topology_restapi.py b/src/emuvim/examples/simple_topology_restapi.py
index 440a085..2a9bb4d 100755
--- a/src/emuvim/examples/simple_topology_restapi.py
+++ b/src/emuvim/examples/simple_topology_restapi.py
@@ -31,7 +31,7 @@
     """
     1. Create a data center network object (DCNetwork)
     """
-    net = DCNetwork(monitor=True, enable_learning=False)
+    net = DCNetwork(monitor=True, enable_learning=True)
 
     """
     1b. add a monitoring agent to the DCNetwork