diff -r 6a3c29fdcfea -r f8e2a04c4445 controls/LocationCellEditor.py
--- a/controls/LocationCellEditor.py	Thu Nov 24 15:46:17 2016 +0300
+++ b/controls/LocationCellEditor.py	Thu Nov 24 18:33:56 2016 +0300
@@ -95,7 +95,7 @@
             if not infos["location"].startswith("%"):
                 dialog = wx.SingleChoiceDialog(self, 
                       _("Select a variable class:"), _("Variable class"), 
-                      ["Input", "Output", "Memory"], 
+                      [_("Input"), _("Output"), _("Memory")], 
                       wx.DEFAULT_DIALOG_STYLE|wx.OK|wx.CANCEL)
                 if dialog.ShowModal() == wx.ID_OK:
                     selected = dialog.GetSelection()