my usr/bin/yum file is trashed anyone have a copy ?

[amazing powers of observation]

[root at x1-6-00-0a-e6-c7-6f-d8 mitch]# yum update
Traceback (most recent call last):
  File "/usr/bin/yum", line 30, in ?
    yummain.main(sys.argv[1:])
  File "/usr/share/yum/yummain.py", line 152, in main
    (log, errorlog, filelog, conf, cmds) = parseCmdArgs(args)
  File "/usr/share/yum/yummain.py", line 71, in parseCmdArgs
    conf=yumconf(configfile=yumconffile)
  File "/usr/share/yum/config.py", line 48, in __init__
    self.cfg.read(configfile)
  File "/usr/lib/python2.2/ConfigParser.py", line 233, in read
    self.__read(fp, filename)
  File "/usr/lib/python2.2/ConfigParser.py", line 444, in __read
    raise MissingSectionHeaderError(fpname, lineno, `line`)
ConfigParser.MissingSectionHeaderError: File contains no section
headers.
file: /etc/yum.conf, line: 1
'This is a yum.conf for Fedora Core.\n'