Comment 1 for bug 2003543

The traceback seems to suggests that a string that shouldn't have been translated, was:

Traceback (most recent call last):
  File "/usr/lib/update-notifier/package-data-downloader", line 351, in <module>
    process_download_requests()
  File "/usr/lib/update-notifier/package-data-downloader", line 345, in process_download_requests
    trigger_update_notifier(our_failures)
  File "/usr/lib/update-notifier/package-data-downloader", line 156, in trigger_update_notifier
    string.Template(input).substitute(
  File "/usr/lib/python3.10/string.py", line 121, in substitute
    return self.pattern.sub(convert, self.template)
  File "/usr/lib/python3.10/string.py", line 114, in convert
    return str(mapping[named])
KeyError: 'pecynnau'