Traceback (most recent call last):
  File "/usr/share/apport/package_hook", line 58, in <module>
    pr.write(open(apport.fileutils.make_report_path(pr), 'w'))
  File "/usr/lib/python2.6/dist-packages/problem_report.py", line 306, in write
    f = open(v[0]) # file name
IOError: [Errno 21] Is a directory: '/var/log/dist-upgrade/20090412-2247'