Traceback (most recent call last):
  File "/usr/bin/po2moz", line 27, in <module>
    po2moz.main()
  File "/usr/lib/python2.5/site-packages/translate/convert/po2moz.py", line 110, in main
    parser.run(argv)
  File "/usr/lib/python2.5/site-packages/translate/convert/convert.py", line 131, in run
    self.recursiveprocess(options)
  File "/usr/lib/python2.5/site-packages/translate/convert/po2moz.py", line 82, in recursiveprocess
    options.outputarchive.close()
  File "/usr/lib/python2.5/site-packages/translate/storage/xpi.py", line 408, in close
    jarfile.close()
  File "/usr/lib/python2.5/site-packages/translate/storage/xpi.py", line 114, in close
    pendingsave()
  File "/usr/lib/python2.5/site-packages/translate/misc/wStringIO.py", line 155, in slam
    self.close()
  File "/usr/lib/python2.5/site-packages/translate/misc/wStringIO.py", line 149, in close
    self.onclose(value)
  File "/usr/lib/python2.5/site-packages/translate/storage/xpi.py", line 396, in onclose
    jarfile.overwritestr(filename, contents)
  File "/usr/lib/python2.5/site-packages/translate/storage/xpi.py", line 128, in overwritestr
    self.delete(filename)
  File "/usr/lib/python2.5/site-packages/translate/misc/zipfileext.py", line 36, in delete
    deleted_size   = (self.filelist[i].file_offset - self.filelist[i].header_offset) + self.filelist[i].compress_size
AttributeError: 'ZipInfo' object has no attribute 'file_offset'