Update dependency pytype to v2019.12.17
Update dependency pytype to v2019.12.17

trungdtbk/faucet,mwutzke/faucet,gizmoguy/faucet,REANNZ/faucet,faucetsdn/faucet,REANNZ/faucet,trungdtbk/faucet,shivarammysore/faucet,anarkiwi/faucet,anarkiwi/faucet,gizmoguy/faucet,shivarammysore/faucet,mwutzke/faucet,faucetsdn/faucet