fix return of None in 2.4

deluge/ui/gtkui/torrentview.py

@@ -362,9 +362,10 @@ class TorrentView(listview.ListView, component.Component):
         """Returns a torrent_id or None.  If multiple torrents are selected,
         it will return the torrent_id of the first one."""
         selected = self.get_selected_torrents()
-        if selected == None:
-            return selected
+        if selected:
             return selected[0]
+        else:
+            return selected
                 
     def get_selected_torrents(self):
         """Returns a list of selected torrents or None"""