test: use f-strings in mining_*.py tests
test: use f-strings in mining_*.py tests

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