--- a/dialogs/DiscoveryDialog.py	Thu Oct 04 11:25:42 2018 +0300
+++ b/dialogs/DiscoveryDialog.py	Thu Oct 04 12:07:16 2018 +0300
@@ -26,10 +26,12 @@
 
 from __future__ import absolute_import
 import socket
+from six.moves import xrange
 import wx
 import wx.lib.mixins.listctrl as listmix
 from zeroconf import ServiceBrowser, Zeroconf
 
+
 service_type = '_PYRO._tcp.local.'