Underflow on scores computation
*Created by: njoyard*
Pgsql representativescores throws DataError: underflow on https://lqdn.memopol.eu/legislature/representative/ with the following settings:
- decay = 1 / 10
- exponent = 1
- decimals = 0
(See http://s.yourlabs.org/sentry/lqdn/issues/3774/)
issue