refactor(fingerprint): minor changes
refactor(fingerprint): minor changes

evan82/lamassu-server,joshmh/lamassu-server,lamassu/lamassu-server,lamassu/lamassu-server,naconner/lamassu-server,joshmh/lamassu-server,lamassu/lamassu-server,joshmh/lamassu-server,naconner/lamassu-server,naconner/lamassu-server,joshmh/lamassu-server