test for NaN in Fiat.__str__
test for NaN in Fiat.__str__

fujicoin/electrum-fjc,cryptapus/electrum,wakiyamap/electrum-mona,neocogent/electrum,wakiyamap/electrum-mona,cryptapus/electrum,fujicoin/electrum-fjc,neocogent/electrum,pooler/electrum-ltc,fujicoin/electrum-fjc,pooler/electrum-ltc,wakiyamap/electrum-mona,pooler/electrum-ltc,pooler/electrum-ltc,kyuupichan/electrum,spesmilo/electrum,wakiyamap/electrum-mona,vialectrum/vialectrum,kyuupichan/electrum,neocogent/electrum,asfin/electrum,cryptapus/electrum,vialectrum/vialectrum,spesmilo/electrum,spesmilo/electrum,spesmilo/electrum,vialectrum/vialectrum,asfin/electrum,asfin/electrum,kyuupichan/electrum