--- a/editors/TextViewer.py	Fri Oct 28 13:06:52 2022 +0800
+++ b/editors/TextViewer.py	Fri Oct 28 14:07:13 2022 +0800
@@ -23,14 +23,11 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 
-
-
 import re
 from functools import reduce
 
 import wx
 import wx.stc
-from six.moves import xrange
 
 from graphics.GraphicCommons import ERROR_HIGHLIGHT, SEARCH_RESULT_HIGHLIGHT, REFRESH_HIGHLIGHT_PERIOD
 from plcopen.structures import ST_BLOCK_START_KEYWORDS, IEC_BLOCK_START_KEYWORDS, LOCATIONDATATYPES