user account balances are not updated
since 2020-05-11 this is printed in cron.log:
Traceback (most recent call last):
File "./py/update_balances.py", line 74, in <module>
accounts = account.accounts(email=True, username=True)
File "/srv/calo.news/py/common.py", line 50, in logme
r = wrapped(*args, **kwargs)
File "/srv/calo.news/py/account.py", line 114, in accounts
balances[e['user_id']] += e['amount']
KeyError: 34