Comment: This problem ocurs when I use MSN on Empathy. 

backtrace
-----
Summary: TB42f764be iochannel.py:157:send:AssertionError: 1

Traceback (most recent call last):
  File "/usr/lib/python2.6/site-packages/papyon/transport.py", line 284, in
enable_ping
    self.send_command(cmd, False)
  File "/usr/lib/python2.6/site-packages/papyon/transport.py", line 277, in
send_command
    self._transport.send(str(command), self.__on_command_sent, *our_cb_args)
  File "/usr/lib/python2.6/site-packages/papyon/gnet/io/iochannel.py", line
157, in send
    assert(self._status == IoStatus.OPEN), self._status
AssertionError: 1

Local variables in innermost frame:
buffer: PNG

callback: <bound method DirectConnection.__on_command_sent of <DirectConnection
object at 0xa72634c (papyon+transport+DirectConnection at 0xa752810)>>
self: <TCPClient object at 0xa726374 (papyon+gnet+io+tcp+TCPClient at
0xa752840)>
args: (<papyon.msnp.command.Command object at 0xaa14ecc>, None, ())

cmdline: /usr/bin/python /usr/libexec/telepathy-butterfly 
component: telepathy-butterfly
executable: /usr/libexec/telepathy-butterfly
kernel: 2.6.31.6-145.fc12.i686.PAE
package: telepathy-butterfly-0.5.3-1.fc12
uuid: 42f764be    

This bug appears with all tp-butterfly versions from 0.5.3-0.5.11. It appears it happens quit a bit on users that have an unreliable internet connect.