--- a/IDEFrame.py	Thu Aug 17 10:12:04 2017 +0300
+++ b/IDEFrame.py	Thu Aug 17 11:39:10 2017 +0300
@@ -2557,7 +2557,8 @@
 #-------------------------------------------------------------------------------
 
 
-UPPER_DIV = lambda x, y: (x / y) + {True: 0, False: 1}[(x % y) == 0]
+def UPPER_DIV(x, y):
+    return (x / y) + {True: 0, False: 1}[(x % y) == 0]
 
 
 class GraphicPrintout(wx.Printout):