--- a/controls/CustomStyledTextCtrl.py	Fri Oct 12 11:50:40 2018 +0300
+++ b/controls/CustomStyledTextCtrl.py	Fri Oct 12 12:06:45 2018 +0300
@@ -24,6 +24,7 @@
 
 
 from __future__ import absolute_import
+from functools import reduce
 import wx
 import wx.stc
 from six.moves import xrange