Fix bug introduced on previous commit. We need to get a selection first!

deluge/ui/gtkui/torrentview.py

@@ -450,7 +450,7 @@ class TorrentView(listview.ListView, component.Component):
     def stop(self):
         """Stops the torrentview"""
         # We need to clear the liststore
-        self.treeview.unselect_all()
+        self.treeview.get_selection().unselect_all()
         self.liststore.clear()
         self.prev_status = {}
         self.filter = None
@@ -473,7 +473,7 @@ class TorrentView(listview.ListView, component.Component):
 
         see: core.get_torrents_status
         """
-        self.treeview.unselect_all()
+        self.treeview.get_selection().unselect_all()
         search_filter = self.filter and self.filter.get('name', None) or None
         self.filter = dict(filter_dict) #copied version of filter_dict.
         if search_filter and 'name' not in filter_dict: