--- a/etherlab/CommonEtherCATFunction.py	Sat Sep 29 16:35:38 2018 +0300
+++ b/etherlab/CommonEtherCATFunction.py	Sat Sep 29 16:39:25 2018 +0300
@@ -8,7 +8,6 @@
 #
 # See COPYING file for copyrights details.
 
-import os
 import wx
 
 mailbox_protocols = ["AoE", "EoE", "CoE", "FoE", "SoE", "VoE"]