diff -u -r a/macrofusion.py b/macrofusion.py

--- a/macrofusion.py	2015-10-25 12:50:10.678720912 +0100

+++ b/macrofusion.py	2015-10-25 12:50:56.232888991 +0100

@@ -17,6 +17,11 @@

     import operator

     import cairo

     import random

+    

+    import gi

+    gi.require_version('Gdk', '3.0')

+    gi.require_version('Gtk', '3.0')

+    gi.require_version('GExiv2', '0.10')

     from gi.repository import Gdk, Gtk, GObject, GdkPixbuf, GExiv2

 except:    

     print('An error occured. Python or one of its sub modules is absent...\nIt would be wise to check your python installation.')