[Tutor] FTP Bug?

[Britt Green]

Well, my FTP program that I've been working on is almost done. It 
works...almost! Occasionally when I run it I get this error message:

Traceback (innermost last):
  File "C:\Program Files\Python20\Code\dirs.py", line 143, in ?
    dirListing = getftplist(ftp)
  File "C:\Program Files\Python20\Code\dirs.py", line 36, in getftplist
    conn =  ftp.transfercmd('LIST')
  File "c:\program files\python20\lib\ftplib.py", line 297, in transfercmd
    return self.ntransfercmd(cmd, rest)[0]
  File "c:\program files\python20\lib\ftplib.py", line 283, in ntransfercmd
    sock = self.makeport()
  File "c:\program files\python20\lib\ftplib.py", line 254, in makeport
    resp = self.sendport(host, port)
  File "c:\program files\python20\lib\ftplib.py", line 244, in sendport
    return self.voidcmd(cmd)
  File "c:\program files\python20\lib\ftplib.py", line 234, in voidcmd
    return self.voidresp()
  File "c:\program files\python20\lib\ftplib.py", line 209, in voidresp
    resp = self.getresp()
  File "c:\program files\python20\lib\ftplib.py", line 195, in getresp
    resp = self.getmultiline()
  File "c:\program files\python20\lib\ftplib.py", line 181, in getmultiline
    line = self.getline()
  File "c:\program files\python20\lib\ftplib.py", line 168, in getline
    line = self.file.readline()
  File "c:\program files\python20\lib\socket.py", line 221, in readline
    new = self._sock.recv(self._rbufsize)
error: (10054, 'Connection reset by peer')

Might anyone know what causes this, and how to solve it?
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