fix missing import. fixes #738
fix missing import. fixes #738

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