--- a/graphics/ToolTipProducer.py	Mon Oct 23 18:25:45 2017 +0300
+++ b/graphics/ToolTipProducer.py	Wed Oct 25 13:50:26 2017 +0300
@@ -22,6 +22,8 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
+
+from __future__ import absolute_import
 import wx
 
 from controls.CustomToolTip import CustomToolTip, TOOLTIP_WAIT_PERIOD