--- a/controls/VariablePanel.py	Thu Oct 05 16:46:29 2017 +0300
+++ b/controls/VariablePanel.py	Fri Oct 06 17:52:34 2017 +0300
@@ -22,7 +22,6 @@
 # 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 re
 from types import TupleType, StringType, UnicodeType