osd-keyboard: Specify gi versions to get rid of warnings

Author: C0rn3j

scc/osd/__init__.py

@@ -6,8 +6,13 @@
 import logging
 import os
 import traceback
-
 import cairo
+
+import gi
+gi.require_version("Gtk",    "3.0")
+gi.require_version("Gdk",    "3.0")
+gi.require_version("GtkLayerShell", "0.1")
+
 from gi.repository import Gdk, GLib, GObject, Gtk
 
 from scc.config import Config