Version-Release number of selected component:
yum-3.4.3-152.fc20

Additional info:
reporter:       libreport-2.2.3
cmdline:        /usr/bin/python /bin/yum update --downloadonly -q
dso_list:       python-urlgrabber-3.10.1-0.fc20.noarch
executable:     /bin/yum
kernel:         3.16.4-200.fc20.x86_64
runlevel:       N 5
type:           Python
uid:            0

Truncated backtrace:
drpm.py:272:_wait:OSError: [Errno 2] No such file or directory: '/var/cache/yum/x86_64/20/updates/packages/libreoffice-calc-4.2.6.3-7.fc20_4.2.6.3-8.fc20.x86_64.drpm'

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 371, in user_main
    errcode = main(args)
  File "/usr/share/yum-cli/yummain.py", line 277, in main
    return_code = base.doTransaction(inhibit=inhibit)
  File "/usr/share/yum-cli/cli.py", line 685, in doTransaction
    problems = self.downloadPkgs(downloadpkgs, callback_total=self.download_callback_total_cb)
  File "/usr/lib/python2.7/site-packages/yum/__init__.py", line 2542, in downloadPkgs
    urlgrabber.grabber.parallel_wait()
  File "/usr/lib/python2.7/site-packages/urlgrabber/grabber.py", line 2295, in parallel_wait
    perform()
  File "/usr/lib/python2.7/site-packages/urlgrabber/grabber.py", line 2214, in perform
    try: _run_callback(opts.checkfunc, opts)
  File "/usr/lib/python2.7/site-packages/urlgrabber/grabber.py", line 1030, in _run_callback
    return cb(obj)
  File "/usr/lib/python2.7/site-packages/yum/__init__.py", line 2508, in checkfunc
    presto.rebuild(po)
  File "/usr/lib/python2.7/site-packages/yum/drpm.py", line 289, in rebuild
    self.dequeue_max()
  File "/usr/lib/python2.7/site-packages/yum/drpm.py", line 325, in dequeue_max
    if not self.dequeue(block=False):
  File "/usr/lib/python2.7/site-packages/yum/drpm.py", line 331, in dequeue
    self._wait()
  File "/usr/lib/python2.7/site-packages/yum/drpm.py", line 272, in _wait
    os.unlink(po.localpath)
OSError: [Errno 2] No such file or directory: '/var/cache/yum/x86_64/20/updates/packages/libreoffice-calc-4.2.6.3-7.fc20_4.2.6.3-8.fc20.x86_64.drpm'

Local variables in innermost frame:
code: 0
self: <yum.drpm.DeltaInfo instance at 0x6f768c0>
pid: 9200
num: 0
po: <yum.drpm.DeltaPackage instance at 0x6f7a950>
block: False