Adjusted to the API change of tcp.py.

demo/komtime.py

@@ -4,7 +4,7 @@
 import pcl_expect.tcp
 import pcl_expect
 
-kom = pcl_expect.tcp.Tcp(("kom.lysator.liu.se", 4894))
+kom = pcl_expect.tcp.TcpClient(("kom.lysator.liu.se", 4894))
 
 kom.send("A20Hpcl-expect time demo\n")