--- a/editors/Viewer.py Fri Oct 12 12:06:45 2018 +0300
+++ b/editors/Viewer.py Fri Oct 12 13:24:47 2018 +0300
@@ -28,6 +28,7 @@
import math
from time import time as gettime
from threading import Lock
+from future.builtins import round
import wx
from six.moves import xrange