test: use f-strings in feature_pruning.py
test: use f-strings in feature_pruning.py

particl/particl-core,anditto/bitcoin,jamesob/bitcoin,AkioNak/bitcoin,domob1812/bitcoin,Xekyo/bitcoin,jambolo/bitcoin,GroestlCoin/bitcoin,achow101/bitcoin,prusnak/bitcoin,jambolo/bitcoin,domob1812/namecore,bitcoin/bitcoin,prusnak/bitcoin,domob1812/bitcoin,AkioNak/bitcoin,bitcoinsSG/bitcoin,jlopp/statoshi,bitcoin/bitcoin,kallewoof/bitcoin,pataquets/namecoin-core,GroestlCoin/bitcoin,lateminer/bitcoin,dscotese/bitcoin,andreaskern/bitcoin,domob1812/bitcoin,achow101/bitcoin,fanquake/bitcoin,namecoin/namecore,dscotese/bitcoin,ajtowns/bitcoin,particl/particl-core,bitcoin/bitcoin,anditto/bitcoin,pataquets/namecoin-core,sipsorcery/bitcoin,bitcoinknots/bitcoin,tecnovert/particl-core,andreaskern/bitcoin,bitcoinknots/bitcoin,sstone/bitcoin,dscotese/bitcoin,lateminer/bitcoin,fujicoin/fujicoin,achow101/bitcoin,namecoin/namecoin-core,instagibbs/bitcoin,GroestlCoin/GroestlCoin,prusnak/bitcoin,bitcoin/bitcoin,MarcoFalke/bitcoin,MarcoFalke/bitcoin,Xekyo/bitcoin,Xekyo/bitcoin,dscotese/bitcoin,GroestlCoin/bitcoin,MarcoFalke/bitcoin,prusnak/bitcoin,GroestlCoin/GroestlCoin,namecoin/namecore,mruddy/bitcoin,namecoin/namecoin-core,namecoin/namecore,namecoin/namecore,mm-s/bitcoin,mm-s/bitcoin,pataquets/namecoin-core,mruddy/bitcoin,bitcoinsSG/bitcoin,domob1812/namecore,Xekyo/bitcoin,jamesob/bitcoin,yenliangl/bitcoin,GroestlCoin/GroestlCoin,tecnovert/particl-core,anditto/bitcoin,mm-s/bitcoin,jlopp/statoshi,domob1812/bitcoin,namecoin/namecore,ajtowns/bitcoin,jambolo/bitcoin,GroestlCoin/bitcoin,bitcoin/bitcoin,mruddy/bitcoin,tecnovert/particl-core,kallewoof/bitcoin,particl/particl-core,sstone/bitcoin,lateminer/bitcoin,namecoin/namecoin-core,AkioNak/bitcoin,jambolo/bitcoin,andreaskern/bitcoin,jamesob/bitcoin,fanquake/bitcoin,achow101/bitcoin,sipsorcery/bitcoin,sipsorcery/bitcoin,fanquake/bitcoin,AkioNak/bitcoin,bitcoinsSG/bitcoin,kallewoof/bitcoin,fujicoin/fujicoin,particl/particl-core,achow101/bitcoin,anditto/bitcoin,fanquake/bitcoin,tecnovert/particl-core,instagibbs/bitcoin,ajtowns/bitcoin,jambolo/bitcoin,jamesob/bitcoin,jlopp/statoshi,anditto/bitcoin,ajtowns/bitcoin,andreaskern/bitcoin,sstone/bitcoin,fujicoin/fujicoin,mm-s/bitcoin,pataquets/namecoin-core,instagibbs/bitcoin,fanquake/bitcoin,jlopp/statoshi,yenliangl/bitcoin,instagibbs/bitcoin,andreaskern/bitcoin,bitcoinsSG/bitcoin,GroestlCoin/GroestlCoin,fujicoin/fujicoin,pataquets/namecoin-core,instagibbs/bitcoin,fujicoin/fujicoin,AkioNak/bitcoin,fanquake/bitcoin,jlopp/statoshi,MarcoFalke/bitcoin,mruddy/bitcoin,sstone/bitcoin,lateminer/bitcoin,dscotese/bitcoin,tecnovert/particl-core,bitcoinknots/bitcoin,bitcoinknots/bitcoin,ajtowns/bitcoin,yenliangl/bitcoin,namecoin/namecoin-core,MarcoFalke/bitcoin,particl/particl-core,jambolo/bitcoin,GroestlCoin/GroestlCoin,yenliangl/bitcoin,sstone/bitcoin,pataquets/namecoin-core,sipsorcery/bitcoin,bitcoin/bitcoin,jamesob/bitcoin,prusnak/bitcoin,tecnovert/particl-core,GroestlCoin/bitcoin,jlopp/statoshi,jamesob/bitcoin,sstone/bitcoin,bitcoinknots/bitcoin,yenliangl/bitcoin,sipsorcery/bitcoin,AkioNak/bitcoin,andreaskern/bitcoin,mruddy/bitcoin,Xekyo/bitcoin,kallewoof/bitcoin,namecoin/namecoin-core,prusnak/bitcoin,instagibbs/bitcoin,bitcoinsSG/bitcoin,domob1812/namecore,MarcoFalke/bitcoin,ajtowns/bitcoin,sipsorcery/bitcoin,mm-s/bitcoin,dscotese/bitcoin,lateminer/bitcoin,achow101/bitcoin,domob1812/namecore,GroestlCoin/bitcoin,fujicoin/fujicoin,namecoin/namecore,domob1812/namecore,mm-s/bitcoin,domob1812/bitcoin,namecoin/namecoin-core,Xekyo/bitcoin,GroestlCoin/GroestlCoin,domob1812/namecore,mruddy/bitcoin,bitcoinsSG/bitcoin,domob1812/bitcoin,particl/particl-core,yenliangl/bitcoin,anditto/bitcoin,kallewoof/bitcoin,lateminer/bitcoin,kallewoof/bitcoin