Traceback (most recent call last):
  File "/usr/lib/pymodules/python2.6/papyon/msnp2p/session_manager.py", line 53, in <lambda>
    lambda tr, blob: self._on_blob_received(blob))
  File "/usr/lib/pymodules/python2.6/papyon/msnp2p/session_manager.py", line 164, in _on_blob_received
    session = self._sessions[session_id]
  File "/usr/lib/python2.6/weakref.py", line 54, in __getitem__
    o = self.data[key]()
KeyError: 1098564