naylor@naylor-desktop:~$ gnome-btdownload %U
ImportError: could not import gnomecanvas
ImportError: cannot import name DockItem from bonobo.ui
/usr/bin/gnome-btdownload:845: GtkDeprecationWarning: gtk.threads_init is deprecated, use gtk.gdk.threads_init instead
  gtk.threads_init()
Traceback (most recent call last):
  File "/usr/bin/gnome-btdownload", line 1311, in ?
    run(sys.argv)
  File "/usr/bin/gnome-btdownload", line 1305, in run
    client = GtkClient(args)
  File "/usr/bin/gnome-btdownload", line 867, in __init__
    previous_save_location = check_for_previous_save_location(bt_state_args)
  File "/usr/bin/gnome-btdownload", line 803, in check_for_previous_save_location
    digest     = sha.new(bt_state_args.get_torrent_file()).hexdigest()
TypeError: new() argument 1 must be string or read-only buffer, not None
naylor@naylor-desktop:~$