diff --git a/python/grpcdemo_client.py b/python/grpcdemo_client.py
index 0a476a2..f6bc196 100644
--- a/python/grpcdemo_client.py
+++ b/python/grpcdemo_client.py
@@ -1,26 +1,29 @@
-from __future__ import print_function
-
+import gc
 import grpc
 import grpcdemo_pb2
 import grpcdemo_pb2_grpc
 
 import sys
 import time
+import tornado.ioloop
 
 PORTNO       = 6000
 CALL_TIMEOUT = 30
 WAIT_TIME    = 10
 
-def run():
+def grpc_call(cmd, callback):
   channel = grpc.insecure_channel('localhost:%s' % PORTNO)
   stub = grpcdemo_pb2_grpc.HostCommandStub(channel)
-  response = stub.runcommand.future(grpcdemo_pb2.Command(command=sys.argv[1]), CALL_TIMEOUT)
+  stub.runcommand.future(grpcdemo_pb2.Command(command=cmd), CALL_TIMEOUT).add_done_callback(callback)
 
-  response.add_done_callback(MyCallback)
-  time.sleep(WAIT_TIME)
-
-def MyCallback(foo):
-  print(foo.result())
+def MyCallback(response):
+  print response.result()
 
 if __name__ == '__main__':
-  run()
+
+  for cmd in ("uname", "uptime", "ls"):
+    grpc_call(cmd, MyCallback)
+    print "Called with %s ..." % cmd
+    gc.collect()             # Prove rendevous object is still there
+
+tornado.ioloop.IOLoop.instance().start()