[Yum] possible yum bug in yum-2.0.6-1

[rootscruffy at junior's place]

just got the following problem in the new fedora core.  i think it's not
core related, because i saw similar problems under RH9.

yum.conf is attached in case it helps.

here's the core info:  
Linux version 2.4.22-1.2179.nptl (bhcompile at daffy.perf.redhat.com) (gcc
version 3.2.3 20030422 (Red Hat Linux 3.2.3-6)) #1 Tue Apr 13 10:14:30
EDT 2004

and here's what happened to yum:

[root at junior apcupsd]# yum check-update
Gathering header information file(s) from server(s)
Server: Fedora Core 1 - i386 - Base
Server: Fedora Extras 1 - i386 - Extra Packages
Server: Fedora Core 1 - i386 - Released Updates
Finding updated packages
Downloading needed headers
kernel-module-thinkpad-2. 100% |=========================| 3.5 kB   
00:00Traceback (most recent call last):
  File "/usr/bin/yum", line 30, in ?
    yummain.main(sys.argv[1:])
  File "/usr/share/yum/yummain.py", line 253, in main
    clientStuff.download_headers(HeaderInfo, nulist)
  File "/usr/share/yum/clientStuff.py", line 984, in download_headers
    checkfunc=(rpmUtils.checkheader, (n, a), {}))
  File "/usr/share/yum/clientStuff.py", line 1336, in grab
    bandwidth, conf.retries, retrycodes, checkfunc)
  File "/usr/share/yum/urlgrabber.py", line 237, in retrygrab
    progress_obj, throttle, bandwidth)
  File "/usr/share/yum/urlgrabber.py", line 314, in urlgrab
    fo = urllib2.urlopen(url)
  File "/usr/lib/python2.2/urllib2.py", line 138, in urlopen
    return _opener.open(url, data)
  File "/usr/lib/python2.2/urllib2.py", line 328, in open
    '_open', req)
  File "/usr/lib/python2.2/urllib2.py", line 307, in _call_chain
    result = func(*args)
  File "/usr/lib/python2.2/urllib2.py", line 971, in ftp_open
    fp, retrlen = fw.retrfile(file, type)
  File "/usr/lib/python2.2/urllib.py", line 734, in retrfile
    self.ftp.nlst(file)
  File "/usr/lib/python2.2/ftplib.py", line 449, in nlst
    self.retrlines(cmd, files.append)
  File "/usr/lib/python2.2/ftplib.py", line 397, in retrlines
    conn = self.transfercmd(cmd)
  File "/usr/lib/python2.2/ftplib.py", line 346, in transfercmd
    return self.ntransfercmd(cmd, rest)[0]
  File "/usr/lib/python2.2/ftplib.py", line 328, in ntransfercmd
    resp = self.sendcmd(cmd)
  File "/usr/lib/python2.2/ftplib.py", line 242, in sendcmd
    return self.getresp()
  File "/usr/lib/python2.2/ftplib.py", line 216, in getresp
    if c not in '123':
TypeError: 'in <string>' requires character as left operand
[root at junior apcupsd]# yum check-update

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# Yum config file from http://www.xades.com/proj/fedora_repos.html
# Put this file at /etc/yum.conf
#releasever=1
[main]
cachedir=/var/cache/yum
debuglevel=2
logfile=/var/log/yum.log
pkgpolicy=newest
distroverpkg=fedora-release
tolerant=1
exactarch=1
 
[base]
name=Fedora Core $releasever - $basearch - Base
baseurl=http://fedora.redhat.com/releases/fedora-core-$releasever
 
[updates-released]
name=Fedora Core $releasever - $basearch - Released Updates
baseurl=http://fedora.redhat.com/updates/released/fedora-core-$releasever
	http://ftp.dulug.duke.edu/pub/fedora/linux/core/updates/$releasever/$basearch/
	ftp://ftp.tu-chemnitz.de/pub/linux/fedora-core/updates/$releasever/$basearch/
	ftp://ftp.linux.ncsu.edu/pub/fedora/linux/core/updates/$releasever/$basearch/
 
[fedora-extras]
name=Fedora Extras $releasever - $basearch - Extra Packages
baseurl=ftp://ftp.tu-chemnitz.de/pub/linux/fedora/fedora/$releasever/$basearch/yum/stable/
	http://download.fedora.us/fedora/fedora/$releasever/$basearch/yum/stable/
gpgcheck=1
failovermethod=priority

#[livna-stable]
#name=Livna 3rd party packages with questionable (in USA) licenses -- use at your own risk1G
#baseurl=http://rpm.livna.org/fedora/$releasever/$basearch/yum/stable