Something

ivan@ubuntu-704:~$ deluge
no existing Deluge session
Starting new Deluge session...
deluge_core; using libtorrent 0.13.0.0. Compiled with NDEBUG value: 1
Applying preferences
Starting DHT...
/usr/local/lib/python2.6/site-packages/deluge/core.py:764: DeprecationWarning: integer argument expected, got float
  PREF_FUNCTIONS[pref](self.get_pref(pref))
Pickling state...
Scanning plugin dir /usr/local/share/deluge/plugins
Loading module TorrentSearch
Initialising plugin TorrentSearch
Loading module ExamplePlugin
Initialising plugin ExamplePlugin
Loading module BlocklistImport
Initialising plugin BlocklistImport
Loading module TorrentCreator
Initialising plugin TorrentCreator
Loading module HelloWorld
Initialising plugin HelloWorld
Loading module NetworkHealth
Initialising plugin NetworkHealth
Loading module NetworkGraph
Initialising plugin NetworkGraph
Traceback (most recent call last):
  File "/usr/local/bin/deluge", line 93, in <module>
    start_deluge()
  File "/usr/local/bin/deluge", line 67, in start_deluge
    interface = deluge.interface.DelugeGTK()
  File "/usr/local/lib/python2.6/site-packages/deluge/interface.py", line 109, in __init__
    self.apply_prefs()
  File "/usr/local/lib/python2.6/site-packages/deluge/interface.py", line 702, in apply_prefs
    if self.config.get("max_download_rate") not in self.config.get("tray_downloadspeedlist") and self.config.get("max_download_rate") >= 0:
TypeError: 'in <string>' requires string as left operand, not float
ivan@ubuntu-704:~$