add preprocessing to ThreadedButton
add preprocessing to ThreadedButton

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