AttributeError: 'list' object has no attribute 'values'

[sentry]

Sentry Issue: BUGBOT-Z6

AttributeError: 'list' object has no attribute 'values'
(2 additional frame(s) were not displayed)
...
  File "bugbot/bzcleaner.py", line 712, in get_email_data
    bugs = self.get_bugs(date=date)
  File "inactive_reviewer.py", line 53, in get_bugs
    revisions = self._get_revisions_with_inactive_reviewers(list(rev_ids))
  File "inactive_reviewer.py", line 170, in _get_revisions_with_inactive_reviewers
    users = self.user_activity.get_phab_users_with_status(
  File "bugbot/user_activity.py", line 300, in get_phab_users_with_status
    ) and self.is_active_on_phab(phab_user["phid"]):
  File "bugbot/user_activity.py", line 329, in is_active_on_phab
    for story in feed.values():

Rule inactive_reviewer