Require version of GtkSpell

issue7168

tryton/client.py

@@ -14,6 +14,7 @@ except ImportError:
     sys.modules['cdecimal'] = decimal
 import os
 
+import gi
 import pygtkcompat
 
 pygtkcompat.enable()
@@ -22,6 +23,10 @@ try:
     pygtkcompat.enable_goocanvas()
 except ValueError:
     pass
+try:
+    gi.require_version('GtkSpell', '3.0')
+except ValueError:
+    pass
 
 from gi.repository import GdkPixbuf
 _unset = object()