diff -r 6811021e3d94 -r 614396cbffbf graphics/GraphicCommons.py
--- a/graphics/GraphicCommons.py	Thu Oct 05 16:46:29 2017 +0300
+++ b/graphics/GraphicCommons.py	Fri Oct 06 17:52:34 2017 +0300
@@ -25,8 +25,6 @@
 
 from math import *
 from types import *
-import datetime
-from threading import Lock, Timer
 
 import wx
 from graphics.ToolTipProducer import ToolTipProducer