fix #2565: do not show traceback
fix #2565: do not show traceback

cryptapus/electrum,fujicoin/electrum-fjc,fyookball/electrum,fyookball/electrum,vialectrum/vialectrum,fujicoin/electrum-fjc,romanz/electrum,kyuupichan/electrum,kyuupichan/electrum,cryptapus/electrum,neocogent/electrum,fireduck64/electrum,fujicoin/electrum-fjc,spesmilo/electrum,digitalbitbox/electrum,neocogent/electrum,cryptapus/electrum,pknight007/electrum-vtc,fireduck64/electrum,vertcoin/electrum-vtc,vertcoin/electrum-vtc,spesmilo/electrum,pooler/electrum-ltc,molecular/electrum,vialectrum/vialectrum,digitalbitbox/electrum,romanz/electrum,vertcoin/electrum-vtc,spesmilo/electrum,pooler/electrum-ltc,pknight007/electrum-vtc,wakiyamap/electrum-mona,asfin/electrum,wakiyamap/electrum-mona,digitalbitbox/electrum,molecular/electrum,dabura667/electrum,dabura667/electrum,fyookball/electrum,wakiyamap/electrum-mona,pknight007/electrum-vtc,wakiyamap/electrum-mona,vialectrum/vialectrum,dabura667/electrum,fireduck64/electrum,pooler/electrum-ltc,neocogent/electrum,dabura667/electrum,asfin/electrum,asfin/electrum,molecular/electrum,kyuupichan/electrum,digitalbitbox/electrum,romanz/electrum,pooler/electrum-ltc,vertcoin/electrum-vtc,pknight007/electrum-vtc,spesmilo/electrum,fireduck64/electrum,molecular/electrum