Python3+PyQt5.

Update code, using Python 3 + pyqt5.

Client/CloseThreading.py

@@ -22,13 +22,13 @@ def stop_thread(thread):
 
 class TestThread(threading.Thread):
     def run(self):
-        print "begin"
+        print("begin")
         while True:
             time.sleep(0.1)
-        print "end"
+        print("end")
 if __name__ == "__main__":
     t = TestThread()
     t.start()
     time.sleep(1)
     stop_thread(t)
-    print "stoped"
+    print("stoped")

Client/Command.py

@@ -1,21 +1,10 @@
 # -*- coding: utf-8 -*-
-"""
- ******************************************************************************
- * File  Command.py
- * Author  Freenove (http://www.freenove.com)
- * Date    2016/11/14
- ******************************************************************************
- * Brief
- *   This is sent by the client to the server command word
- ******************************************************************************
- * Copyright
- *   Copyright © Freenove (http://www.freenove.com)
- * License
- *   Creative Commons Attribution ShareAlike 3.0 
- *   (http://creativecommons.org/licenses/by-sa/3.0/legalcode)
- ******************************************************************************
-"""
-
+########################################################################
+# Filename    : Command.py
+# Description : This is sent by the client to the server command word
+# auther      : www.freenove.com
+# modification: 2020/03/26
+########################################################################
 class COMMAND:
     CMD_FORWARD = ">Move Forward"
     CMD_BACKWARD = ">Move Backward"

Client/Config.txt

@@ -1 +1 @@
-192.168.1.108
+192.168.1.121

Client/Freenove_Math.py

@@ -1,20 +1,10 @@
 # -*- coding: utf-8 -*-
-"""
- ******************************************************************************
- * File  Freenove_Math.py
- * Author  Freenove (http://www.freenove.com)
- * Date    2016/11/14
- ******************************************************************************
- * Brief
- *   These are the global functions.
- ******************************************************************************
- * Copyright
- *   Copyright © Freenove (http://www.freenove.com)
- * License
- *   Creative Commons Attribution ShareAlike 3.0 
- *   (http://creativecommons.org/licenses/by-sa/3.0/legalcode)
- ******************************************************************************
-"""
+########################################################################
+# Filename    : Freenove_Math.py
+# Description : These are the global functions.
+# auther      : www.freenove.com
+# modification: 2020/03/26
+########################################################################
 def min(a, b):
     if a<b :
         return a

Client/Message.py

@@ -1,26 +1,13 @@
 # -*- coding: utf-8 -*-
-"""
- ******************************************************************************
- * File  Message.py
- * Author  Freenove (http://www.freenove.com)
- * Date    2016/11/14
- ******************************************************************************
- * Brief
- *   This is the Class Messgae_Dialog code .
- ******************************************************************************
- * Copyright
- *   Copyright © Freenove (http://www.freenove.com)
- * License
- *   Creative Commons Attribution ShareAlike 3.0 
- *   (http://creativecommons.org/licenses/by-sa/3.0/legalcode)
- ******************************************************************************
-"""
-"""
-Module implementing Messgae_Dialog.
-"""
+########################################################################
+# Filename    : Message.py
+# Description : This is the Class Messgae_Dialog code .
+# auther      : www.freenove.com
+# modification: 2020/03/26
+########################################################################
 
-from PyQt4.QtCore import pyqtSignature
-from PyQt4.QtGui import QDialog
+# from PyQt5.QtCore import pyqtSlot
+from PyQt5.QtWidgets  import QDialog
 
 from Ui_Message import Ui_Dialog