yum linux fedora 14

[Lynxcraft]

acabo de pillar un servidor he estado intentando instalar el httpd por medio del yum y me daba un error bueno esl caso esque no se toque ahora el es propio yum el que falla me podrian decir como reinstalar el yum el servidor es IBM Modelo Doble Quad linux fedora 14

Código:

 File "/usr/bin/yum", line 29, in <module>
    yummain.user_main(sys.argv[1:], exit_code=True)
  File "/usr/share/yum-cli/yummain.py", line 288, in user_main
    errcode = main(args)
  File "/usr/share/yum-cli/yummain.py", line 98, in main
    base.getOptionsConfig(args)
  File "/usr/share/yum-cli/cli.py", line 253, in getOptionsConfig
    (opts, self.cmds) = self.optparser.setupYumConfig(args=args)
  File "/usr/share/yum-cli/cli.py", line 1599, in setupYumConfig
    self.base.setupKeyImportCallbacks()
  File "/usr/share/yum-cli/output.py", line 1225, in setupKeyImportCallbacks
    gpgca_import_func = self.getCAKeyForRepo
AttributeError: 'YumBaseCli' object has no attribute 'getCAKeyForRepo'

gracias