[metrics-alerts] Cron <onionoo at onionoo-backend-02> /srv/onionoo.torproject.org/onionoo/bin/network/onionoo

[Cron Daemon]

Traceback (most recent call last):
  File "/srv/onionoo.torproject.org/onionoo/bin/network/onionoo", line 56, in <module>
    platform = "{}".format(re.sub('[^A-Za-z0-9]+', '_', relay.get('platform')))
  File "/usr/lib/python3.7/re.py", line 192, in sub
    return _compile(pattern, flags).sub(repl, string, count)
TypeError: expected string or bytes-like object