fix udp_client.py too to print chars correctly

Tools/scripts/udp_client.py

@@ -2,7 +2,6 @@
 
 import socket
 import threading
-import os
 import sys
 
 try:
@@ -20,14 +19,23 @@
 
 def send():
     while True:
-        m = input()
-        m = m + "\r\n"
-        s.sendto(m.encode('utf-8') , (ip,int(port)))
+        try:
+            m = input()
+            m = m + "\r\n"
+            s.sendto(m.encode('utf-8') , (ip,int(port)))
+        except:
+            print("Error sending to " + ip + ":" + port)
+            sys.exit()
 
 def rec():
     while True:
-        msg = s.recvfrom(1024)
-        print(msg[0].decode())
+        try :
+            msg = s.recvfrom(1024)
+            sys.stdout.write(msg[0].decode('utf-8'))
+            # sys.stdout.write("\r\n")
+        except:
+            print("Error reading from " + ip + ":" + port)
+            sys.exit()
 
 x1 = threading.Thread( target = send )
 x2 = threading.Thread( target = rec )