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

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