Version-Release number of selected component:
fedup-0.7.3-4.fc18

Additional info:
cmdline:        /usr/bin/python /bin/fedup-cli --network 18 --debuglog fedupdebug.log
executable:     /bin/fedup-cli
kernel:         3.8.11-200.fc18.x86_64
uid:            0
ureports_counter: 1

Truncated backtrace:
download.py:294:download_boot_images:UnboundLocalError: local variable 'initrd' referenced before assignment

Traceback (most recent call last):
  File "/bin/fedup-cli", line 181, in <module>
    main(args)
  File "/bin/fedup-cli", line 120, in main
    kernel, initrd = f.download_boot_images() # TODO: force arch?
  File "/usr/lib/python2.7/site-packages/fedup/download.py", line 294, in download_boot_images
    conf.set("boot", "initrd", initrd)
UnboundLocalError: local variable 'initrd' referenced before assignment

Local variables in innermost frame:
kernel: '/boot/vmlinuz-fedup'
self: <fedup.download.FedupDownloader object at 0x148be90>
grab_and_check: <function grab_and_check at 0x1545d70>
conf: <fedup.conf.Config instance at 0x15c6e18>
cacheinitrd: '/var/tmp/fedora-upgrade/initramfs-fedup.img'
arch: 'x86_64'