1 files changed, 5 insertions, 3 deletions
diff --git a/gnuradio-runtime/python/gnuradio/ctrlport/GNURadioControlPortClient.py b/gnuradio-runtime/python/gnuradio/ctrlport/GNURadioControlPortClient.py
index 87d2cf5658..beec500023 100644
--- a/gnuradio-runtime/python/gnuradio/ctrlport/GNURadioControlPortClient.py
+++ b/gnuradio-runtime/python/gnuradio/ctrlport/GNURadioControlPortClient.py
@@ -27,6 +27,8 @@ Remote Procedure Call (RPC) transports, the Apache Thrift middle-ware RPC
 is currently the only supported transport.
 
 """
+from __future__ import print_function
+from __future__ import unicode_literals
 
 import exceptions
 
@@ -38,7 +40,7 @@ Two constructors are provided for creating a connection to ControlPort.
 
 """
 
-class GNURadioControlPortClient():
+class GNURadioControlPortClient(object):
     """
     Constructor for creating a ControlPort connection to a specified host / port
 
@@ -113,7 +115,7 @@ class GNURadioControlPortClient():
         self.client = None
 
         from gnuradio.ctrlport.RPCConnection import RPCMethods
-        if RPCMethods.has_key(rpcmethod):
+        if rpcmethod in RPCMethods:
             from gnuradio.ctrlport.RPCConnectionThrift import RPCConnectionThrift
             if rpcmethod == 'thrift':
                 #print("making RPCConnectionThrift")
@@ -128,5 +130,5 @@ class GNURadioControlPortClient():
                 if not blockingcallback is None:
                     blockingcallback()
         else:
-            print("Unsupported RPC method: ", rpcmethod)
+            print(("Unsupported RPC method: ", rpcmethod))
             raise exceptions.ValueError()