migration to python3 (#1)

Change-Id: I964b75c1316b7711cde905c6e98ea027a8557047
Signed-off-by: peusterm <manuel.peuster@uni-paderborn.de>
diff --git a/src/emuvim/dcemulator/node.py b/src/emuvim/dcemulator/node.py
index 87085d8..01abb6e 100755
--- a/src/emuvim/dcemulator/node.py
+++ b/src/emuvim/dcemulator/node.py
@@ -354,14 +354,14 @@
         Return a list of all running containers assigned to this
         data center.
         """
-        return list(self.containers.itervalues())
+        return list(self.containers.values())
 
     def listExtSAPs(self):
         """
         Return a list of all external SAPs assigned to this
         data center.
         """
-        return list(self.extSAPs.itervalues())
+        return list(self.extSAPs.values())
 
     def getStatus(self):
         """