Pyrit client returns errors when "list_cores" command is executed

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What steps will reproduce the problem?
1. Pyrit client returns errors when "list_cores" command is executed on head 
node.
2.
3.

What is the expected output? What do you see instead?

Serving 0 active clients; 0 PMKs/s; 0.0 TTS Traceback (most recent call last):
  File "/usr/local/bin/pyrit", line 6, in <module>
    pyrit_cli.Pyrit_CLI().initFromArgv()
  File "/usr/local/lib/python2.6/dist-packages/pyrit_cli.py", line 115, in initFromArgv
    func(self, **options)
  File "/usr/local/lib/python2.6/dist-packages/pyrit_cli.py", line 877, in serve
    server.addClient(addr)
  File "/usr/local/lib/python2.6/dist-packages/cpyrit/network.py", line 140, in addClient
    client = NetworkClient(srv_addr, self.enqueue, known_uuids)
  File "/usr/local/lib/python2.6/dist-packages/cpyrit/network.py", line 68, in __init__
    self.srv_uuid, self.uuid = self.server.register(";".join(known_uuids))
  File "/usr/lib/python2.6/xmlrpclib.py", line 1199, in __call__
    return self.__send(self.__name, args)
  File "/usr/lib/python2.6/xmlrpclib.py", line 1489, in __request
    verbose=self.__verbose
  File "/usr/lib/python2.6/xmlrpclib.py", line 1237, in request
    errcode, errmsg, headers = h.getreply()
  File "/usr/lib/python2.6/httplib.py", line 1048, in getreply
    response = self._conn.getresponse()
  File "/usr/lib/python2.6/httplib.py", line 974, in getresponse
    response.begin()
  File "/usr/lib/python2.6/httplib.py", line 391, in begin
    version, status, reason = self._read_status()
  File "/usr/lib/python2.6/httplib.py", line 349, in _read_status
    line = self.fp.readline()
  File "/usr/lib/python2.6/socket.py", line 397, in readline
    data = recv(1)
socket.error: [Errno 104] Connection reset by peer

What version of the product are you using? On what operating system?
Pyrit 0.4.0 Read Only

Please provide any additional information below.
cpus are non sse2, PIII cpus

Master Node- Linux udontneedtoknow.com  2.6.31-22-generic-pae #70-Ubuntu SMP 
Thu Dec 2 00:54:52 UTC 2010 i686 GNU/Linux

Slave Node - Linux PowerEdge6300 2.6.31-22-generic-pae #70-Ubuntu SMP Thu Dec 2 
00:54:52 UTC 2010 i686 GNU/Linux

Original issue reported on code.google.com by thefixe...@gmail.com on 2 Feb 2011 at 10:05