Update dependency pytype to v2020.4.22
Update dependency pytype to v2020.4.22

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