changed print_error to NameError exception to reduce coupling
changed print_error to NameError exception to reduce coupling

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