Version-Release number of selected component:
yum-3.4.3-106.fc19

Additional info:
reporter:       libreport-2.1.6
cmdline:        /usr/bin/python /bin/yum -y install http://sourceforge.net/projects/postinstaller/files/fedora/releases/19/i386/updates/wine-silverligh-1.6-3.fc19.i686.rpm
executable:     /bin/yum
kernel:         3.10.9-200.fc19.i686.PAE
runlevel:       N 5
type:           Python
uid:            0

Truncated backtrace:
yummain.py:235:main:UnboundLocalError: local variable 'return_code' referenced before assignment

Traceback (most recent call last):
  File "/bin/yum", line 29, in <module>
    yummain.user_main(sys.argv[1:], exit_code=True)
  File "/usr/share/yum-cli/yummain.py", line 316, in user_main
    errcode = main(args)
  File "/usr/share/yum-cli/yummain.py", line 235, in main
    if type(return_code) == type((0,)) and len(return_code) == 2:
UnboundLocalError: local variable 'return_code' referenced before assignment

Local variables in innermost frame:
exFatal: <function exFatal at 0xb6fa42cc>
resultmsgs: [u'Error getting repository data for /wine-silverligh-1.6-3.fc19.i686, repository not found']
args: ['-y', 'install', 'http://sourceforge.net/projects/postinstaller/files/fedora/releases/19/i386/updates/wine-silverligh-1.6-3.fc19.i686.rpm']
verbose_logger: <logging.Logger object at 0xb6f9af4c>
unlock: <function unlock at 0xb6fa4304>
base: <cli.YumBaseCli object at 0xb6f9af6c>
result: 1
e: RepoError()
exPluginExit: <function exPluginExit at 0xb6fa4294>
exUserCancel: <function exUserCancel at 0xb7049c6c>
logger: <logging.Logger object at 0xb6f9aeec>
exIOError: <function exIOError at 0xb6fa425c>
rpmdb_warn_checks: <function rpmdb_warn_checks at 0xb6fa433c>