[freespace] exceptions.KeyError: 72

[non7top]

Unhandled error in Deferred:
Unhandled Error
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/twisted/internet/base.py", line 1162, in run
    self.mainLoop()
  File "/usr/lib/python2.7/site-packages/twisted/internet/base.py", line 1171, in mainLoop
    self.runUntilCurrent()
  File "/usr/lib/python2.7/site-packages/twisted/internet/base.py", line 793, in runUntilCurrent
    call.func(*call.args, **call.kw)
  File "/usr/lib/python2.7/site-packages/twisted/internet/task.py", line 194, in __call__
    d = defer.maybeDeferred(self.f, *self.a, **self.kw)
--- <exception caught here> ---
  File "/usr/lib/python2.7/site-packages/twisted/internet/defer.py", line 133, in maybeDeferred
    result = f(*args, **kw)
  File "/usr/lib/python2.7/site-packages/deluge/plugins/FreeSpace-0.1-py2.7.egg/deluge/plugins/freespace/core.py", line 118, in update

  File "/usr/lib/python2.7/site-packages/deluge/plugins/FreeSpace-0.1-py2.7.egg/deluge/plugins/freespace/core.py", line 155, in __gather_paths_to_check

  File "/usr/lib/python2.7/site-packages/deluge/core/torrentmanager.py", line 301, in get_torrent_list
    if component.get("RPCServer").get_session_auth_level() == AUTH_LEVEL_ADMIN:
  File "/usr/lib/python2.7/site-packages/deluge/core/rpcserver.py", line 499, in get_session_auth_level
    return self.factory.authorized_sessions[self.get_session_id()][0]
exceptions.KeyError: 72

[non7top]

This seems to be very similar to #1943