Update dependency pytype to v2020.2.20
Update dependency pytype to v2020.2.20

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