Fix behavior when calling get_master_public_key from an external context
Fix behavior when calling get_master_public_key from an external context

argentumproject/electrum-arg,procrasti/electrum,kyuupichan/electrum,dabura667/electrum,neocogent/electrum,asfin/electrum,cryptapus/electrum-uno,dashpay/electrum-dash,vertcoin/electrum-vtc,wakiyamap/electrum-mona,neocogent/electrum,FairCoinTeam/electrum-fair,molecular/electrum,FairCoinTeam/electrum-fair,digitalbitbox/electrum,procrasti/electrum,digitalbitbox/electrum,cryptapus/electrum-myr,imrehg/electrum,cryptapus/electrum-uno,cryptapus/electrum-uno,fujicoin/electrum-fjc,cryptapus/electrum-myr,pooler/electrum-ltc,spesmilo/electrum,cryptapus/electrum,neocogent/electrum,spesmilo/electrum,cryptapus/electrum,dabura667/electrum,fujicoin/electrum-fjc,fireduck64/electrum,digitalbitbox/electrum,fyookball/electrum,romanz/electrum,pknight007/electrum-vtc,pknight007/electrum-vtc,dashpay/electrum-dash,dabura667/electrum,argentumproject/electrum-arg,pooler/electrum-ltc,aasiutin/electrum,pknight007/electrum-vtc,FairCoinTeam/electrum-fair,vialectrum/vialectrum,spesmilo/electrum,spesmilo/electrum,romanz/electrum,fyookball/electrum,fireduck64/electrum,pooler/electrum-ltc,fyookball/electrum,procrasti/electrum,dashpay/electrum-dash,dashpay/electrum-dash,molecular/electrum,vialectrum/vialectrum,protonn/Electrum-Cash,vertcoin/electrum-vtc,aasiutin/electrum,imrehg/electrum,cryptapus/electrum-myr,lbryio/lbryum,imrehg/electrum,digitalbitbox/electrum,kyuupichan/electrum,protonn/Electrum-Cash,cryptapus/electrum,dabura667/electrum,molecular/electrum,FairCoinTeam/electrum-fair,pooler/electrum-ltc,vialectrum/vialectrum,vertcoin/electrum-vtc,asfin/electrum,cryptapus/electrum-uno,fireduck64/electrum,imrehg/electrum,procrasti/electrum,pknight007/electrum-vtc,vertcoin/electrum-vtc,kyuupichan/electrum,aasiutin/electrum,lbryio/lbryum,cryptapus/electrum-myr,molecular/electrum,fireduck64/electrum,wakiyamap/electrum-mona,argentumproject/electrum-arg,asfin/electrum,aasiutin/electrum,protonn/Electrum-Cash,argentumproject/electrum-arg,protonn/Electrum-Cash,wakiyamap/electrum-mona,romanz/electrum,wakiyamap/electrum-mona,fujicoin/electrum-fjc