diff -r 6431f26aa501 -r 3291024e00da controls/LibraryPanel.py
--- a/controls/LibraryPanel.py	Thu Feb 16 14:34:40 2017 +0500
+++ b/controls/LibraryPanel.py	Thu Feb 16 14:35:12 2017 +0500
@@ -1,26 +1,26 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
-#This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor
-#based on the plcopen standard. 
+# This file is part of Beremiz, a Integrated Development Environment for
+# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.
 #
-#Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
+# Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
 #
-#See COPYING file for copyrights details.
+# See COPYING file for copyrights details.
 #
-#This library is free software; you can redistribute it and/or
-#modify it under the terms of the GNU General Public
-#License as published by the Free Software Foundation; either
-#version 2.1 of the License, or (at your option) any later version.
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
 #
-#This library is distributed in the hope that it will be useful,
-#but WITHOUT ANY WARRANTY; without even the implied warranty of
-#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-#General Public License for more details.
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
 #
-#You should have received a copy of the GNU General Public
-#License along with this library; if not, write to the Free Software
-#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 import wx
 
@@ -67,8 +67,12 @@
                   self.OnSearchButtonClick, self.SearchCtrl)
         # Bind keyboard event on SearchCtrl text control to catch UP and DOWN
         # for search previous and next occurrence
-        search_textctrl = self.SearchCtrl.GetChildren()[0]
-        search_textctrl.Bind(wx.EVT_CHAR, self.OnKeyDown)
+
+        # This protects from fail to start when no children[0] available (possible for wxPython 3.0)
+        if self.SearchCtrl.GetChildren():
+            search_textctrl = self.SearchCtrl.GetChildren()[0]
+            search_textctrl.Bind(wx.EVT_CHAR, self.OnKeyDown)
+
         main_sizer.AddWindow(self.SearchCtrl, flag=wx.GROW)
         
         # Add Splitter window for tree and block comment to main sizer