Description of problem:
yum-cron just shows a UnicodeDecode error.

Version-Release number of selected component (if applicable):
yum-cron-3.4.3-103.fc19


I got this by mail:
/etc/cron.daily/0yum-daily.cron:

Traceback (most recent call last):
  File "/usr/sbin/yum-cron", line 1123, in <module> 
    main()
  File "/usr/sbin/yum-cron", line 1120, in main
    base.updatesCheck()
  File "/usr/sbin/yum-cron", line 1026, in updatesCheck
    self.findDeps()
  File "/usr/sbin/yum-cron", line 928, in findDeps
    self.emitCheckFailed("Failed to build transaction: %s" %(str.join("\n", resmsg),))
  File "/usr/sbin/yum-cron", line 1085, in emitCheckFailed
    map(lambda x: x.checkFailed(error), self.emitters)
  File "/usr/sbin/yum-cron", line 1085, in <lambda>
    map(lambda x: x.checkFailed(error), self.emitters)
  File "/usr/sbin/yum-cron", line 109, in checkFailed
    self.sendMessages()
  File "/usr/sbin/yum-cron", line 689, in sendMessages
    print "".join(self.output)
UnicodeEncodeError: 'ascii' codec can't encode character u'\xf6' in position 120: ordinal not in range(128)