Traceback (most recent call last):
  File "/usr/bin/livecd-creator", line 1503, in <module>
    sys.exit(main())
  File "/usr/bin/livecd-creator", line 1496, in main
    target.teardown()
  File "/usr/bin/livecd-creator", line 521, in teardown
    self.unmount()
  File "/usr/bin/livecd-creator", line 503, in unmount
    self.ayum.close()
  File "/usr/lib/python2.5/site-packages/yum/__init__.py", line 92, in close
    self._repos.close()
  File "/usr/lib/python2.5/site-packages/yum/repos.py", line 76, in close
    repo.close()
  File "/usr/lib/python2.5/site-packages/yum/yumRepo.py", line 257, in close
    self.sack.close()
  File "/usr/lib/python2.5/site-packages/yum/sqlitesack.py", line 233, in close
    del self.pkgobjlist
AttributeError: pkgobjlist