--- gr-blocks/examples/ctrlport/simple_copy_controller.py.orig
+++ gr-blocks/examples/ctrlport/simple_copy_controller.py
@@ -13,8 +13,7 @@
 hostname = args[1]
 portnum = int(args[2])
 msg = args[3].lower()
-argv = [None, hostname, portnum]
-radiosys = GNURadioControlPortClient(argv=argv, rpcmethod='thrift')
+radiosys = GNURadioControlPortClient(hostname, portnum, rpcmethod='thrift')
 radio = radiosys.client
 
 if(msg == 'true'):
--- gr-blocks/examples/ctrlport/usrp_sink_controller.py.orig
+++ gr-blocks/examples/ctrlport/usrp_sink_controller.py
@@ -30,8 +30,7 @@
 else:
     val = pmt.from_double(float(val))
 
-argv = [None, args.host, args.port]
-radiosys = GNURadioControlPortClient(argv=argv, rpcmethod='thrift')
+radiosys = GNURadioControlPortClient(args.host, args.port, rpcmethod='thrift')
 radio = radiosys.client
 
 radio.postMessage(args.alias, port, pmt.cons(pmt.intern(cmd), val))
--- gr-blocks/examples/ctrlport/usrp_source_controller.py.orig
+++ gr-blocks/examples/ctrlport/usrp_source_controller.py
@@ -30,8 +30,7 @@
 else:
     val = pmt.from_double(float(val))
 
-argv = [None, args.host, args.port]
-radiosys = GNURadioControlPortClient(argv=argv, rpcmethod='thrift')
+radiosys = GNURadioControlPortClient(args.host, args.port, rpcmethod='thrift')
 radio = radiosys.client
 
 radio.postMessage(args.alias, port, pmt.cons(pmt.intern(cmd), val))
--- gr-dtv/examples/atsc_ctrlport_monitor.py.orig
+++ gr-dtv/examples/atsc_ctrlport_monitor.py
@@ -44,8 +44,7 @@
 
 class atsc_ctrlport_monitor(object):
     def __init__(self, host, port):
-        argv = [None, host, port]
-        radiosys = GNURadioControlPortClient(argv=argv, rpcmethod='thrift')
+        radiosys = GNURadioControlPortClient(host, port, rpcmethod='thrift')
         self.radio = radiosys.client
         print(self.radio)