Update random node example

examples/random_node.py

@@ -4,7 +4,7 @@ __author__ = "Jarrod Pas <j.pas@usask.ca>"
 
 from random import Random
 
-from pydtn import Network, Node, random_trace, RandomTraffic
+from pydtn import Network, Node, RandomTrace, RandomTraffic
 
 
 class RandomNode(Node):
@@ -53,7 +53,7 @@ def main():
     trace_options = {
         'seed': seed,
     }
-    trace = random_trace(nodes, **trace_options)
+    trace = RandomTrace(nodes, **trace_options)
 
     network = Network(nodes, traffic=traffic, trace=trace)
     network.run(until=duration)