Total                                                                                                  723 kB/s |  43 MB     01:00
Traceback (most recent call last):
  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 298, in user_main
    errcode = main(args)
  File "/usr/share/yum-cli/yummain.py", line 227, in main
    return_code = base.doTransaction()
  File "/usr/share/yum-cli/cli.py", line 512, in doTransaction
    if self.gpgsigcheck(downloadpkgs) != 0:
  File "/usr/share/yum-cli/cli.py", line 608, in gpgsigcheck
    result, errmsg = self.sigCheckPkg(po)
  File "/usr/lib/python2.6/site-packages/yum/__init__.py", line 2254, in sigCheckPkg
    sigresult = rpmUtils.miscutils.checkSig(ts, po.localPkg())
  File "/usr/lib/python2.6/site-packages/rpmUtils/miscutils.py", line 67, in checkSig
    fdno = os.open(package, os.O_RDONLY)
TypeError: coercing to Unicode: need string or buffer, NoneType found