Fix file_selection call due to removal of parent

issue2109

tryton/gui/window/view_form/view/form_gtk/binary.py

@@ -113,8 +113,7 @@ class Binary(WidgetInterface):
             return self.wid_size.grab_focus()
 
     def sig_new(self, widget=None):
-        filename = file_selection(_('Open...'),
-                parent=self.widget.get_toplevel())
+        filename = file_selection(_('Open...'))
         if filename and self.field:
             self.field.set_client(self.record,
                     base64.encodestring(open(filename, 'rb').read()))
@@ -142,7 +141,6 @@ class Binary(WidgetInterface):
         if self.filename_field:
             filename = self.filename_field.get(self.record)
         filename = file_selection(_('Save As...'), filename=filename,
-            parent=self.widget.get_toplevel(),
             action=gtk.FILE_CHOOSER_ACTION_SAVE)
         if filename:
             with open(filename,'wb') as fp: