Check availability of a device via bluetooth in raspberry pi

 #!/usr/bin/python  
 import bluetooth  
 import time  
 while True:  
   print "Checking " + time.strftime("%a, %d %b %Y %H:%M:%S", time.gmtime())  
   result = bluetooth.lookup_name('1C:66:AA:CF:DD:35', timeout=5)  
   if (result != None):  
     print "Available"  
   else:  
     print "Not Available"  
   time.sleep(60)