migration to python3 (#1)

Change-Id: I964b75c1316b7711cde905c6e98ea027a8557047
Signed-off-by: peusterm <manuel.peuster@uni-paderborn.de>
diff --git a/src/emuvim/dcemulator/monitoring.py b/src/emuvim/dcemulator/monitoring.py
index f8280c3..34b3bab 100755
--- a/src/emuvim/dcemulator/monitoring.py
+++ b/src/emuvim/dcemulator/monitoring.py
@@ -359,7 +359,7 @@
                     'stats/flow', dpid=flow_dict['switch_dpid'], data=data)

                 if isinstance(ret, dict):

                     flow_stat_dict = ret

-                elif isinstance(ret, basestring):

+                elif isinstance(ret, str):

                     flow_stat_dict = ast.literal_eval(ret.rstrip())

                 else:

                     flow_stat_dict = None

@@ -395,7 +395,7 @@
                 ret = self.net.ryu_REST('stats/port', dpid=dpid)

                 if isinstance(ret, dict):

                     port_stat_dict = ret

-                elif isinstance(ret, basestring):

+                elif isinstance(ret, str):

                     port_stat_dict = ast.literal_eval(ret.rstrip())

                 else:

                     port_stat_dict = None