Add prom client to __init__ args so GaugeFlowTableDBLogger can be instantiated
Add prom client to __init__ args so GaugeFlowTableDBLogger can be instantiated

mwutzke/faucet,mwutzke/faucet,byllyfish/faucet,trentindav/faucet,shivarammysore/faucet,shivarammysore/faucet,gizmoguy/faucet,REANNZ/faucet,REANNZ/faucet,trentindav/faucet,anarkiwi/faucet,trungdtbk/faucet,faucetsdn/faucet,trungdtbk/faucet,byllyfish/faucet,wackerly/faucet,faucetsdn/faucet,gizmoguy/faucet,wackerly/faucet,anarkiwi/faucet