[magneto] fix Gir related warnings when loading Magneto

magneto/src/magneto/core/interfaces.py

@@ -368,7 +368,7 @@ class MagnetoCore(MagnetoCoreUI):
             self.set_state("CRITICAL")
             self.show_alert(
                 _("Sabayon updates available"),
-                _("There are updates available"),
+                _("Updates are available"),
                 urgency = "critical",
                 force = self.manual_check_triggered,
                 buttons = [("upgrade", _("Upgrade now"), upgrade_cb,)]

magneto/src/magneto/gtk3/components.py

@@ -12,6 +12,8 @@
 # System imports
 import os
 
+import gi
+gi.require_version('Gtk', '3.0')
 from gi.repository import GObject, Gtk
 
 from entropy.i18n import _

magneto/src/magneto/gtk3/interfaces.py

@@ -25,6 +25,10 @@ from magneto.gtk3.components import AppletNoticeWindow
 from entropy.i18n import _
 import entropy.dep
 
+import gi
+gi.require_version('Gtk', '3.0')
+gi.require_version('Notify', '0.7')
+
 from gi.repository import Gtk, GObject, GLib, Gdk, Notify