Comment 2 for bug 1003100

The bottom of the python backtrace shows:

  File "/usr/lib/update-notifier/package-data-downloader", line 150, in trigger_update_notifier
    {'packages' : ", ".join(packages)}))
  File "/usr/lib/python2.7/string.py", line 172, in substitute
    return self.pattern.sub(convert, self.template)
  File "/usr/lib/python2.7/string.py", line 162, in convert
    val = mapping[named]
KeyError: 'paquetes'

This indicates that someone has translated the variable name in the template string, which shouldn't have been done. I'll work on correcting this.