[metrics-alerts] Cron <onionoo at onionoo-backend-01> /srv/onionoo.torproject.org/onionoo/monitoring/network/onionoo

[Cron Daemon]

Traceback (most recent call last):
  File "/srv/onionoo.torproject.org/onionoo/monitoring/network/onionoo", line 237, in <module>
    if len(flags) > 0:
TypeError: object of type 'NoneType' has no len()