Improves the previous commit thanks to intrigeri

I forgot to add `gi.require_version('Poppler', '0.18')` everywhere,
and `gi.require_version('Gtk', '3.0')` in mat-gui too

1 files changed, 2 insertions, 0 deletions

diff --git a/mat-gui b/mat-gui
index e313251..238fdd7 100755
--- a/mat-gui
+++ b/mat-gui
@@ -3,6 +3,8 @@
 
 """ Metadata anonymisation toolkit - GUI edition """
 
+import gi
+gi.require_version('Gtk', '3.0')
 from gi.repository import GObject, Gtk, GLib
 from gi.repository import Gdk, GdkPixbuf