--- a/editors/ConfTreeNodeEditor.py	Thu Oct 05 16:46:29 2017 +0300
+++ b/editors/ConfTreeNodeEditor.py	Fri Oct 06 17:52:34 2017 +0300
@@ -23,7 +23,6 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
-import os
 import types
 
 import wx