replace set_sort_fn with Set.sort_key
replace set_sort_fn with Set.sort_key

yukoba/sympy,sahilshekhawat/sympy,meghana1995/sympy,atreyv/sympy,toolforger/sympy,madan96/sympy,kaushik94/sympy,shipci/sympy,oliverlee/sympy,amitjamadagni/sympy,souravsingh/sympy,sunny94/temp,farhaanbukhsh/sympy,sahilshekhawat/sympy,skirpichev/omg,kmacinnis/sympy,Sumith1896/sympy,mcdaniel67/sympy,maniteja123/sympy,kumarkrishna/sympy,ahhda/sympy,jaimahajan1997/sympy,moble/sympy,MridulS/sympy,Curious72/sympy,moble/sympy,mcdaniel67/sympy,toolforger/sympy,kaichogami/sympy,iamutkarshtiwari/sympy,ChristinaZografou/sympy,lindsayad/sympy,Arafatk/sympy,Shaswat27/sympy,jerli/sympy,vipulroxx/sympy,AkademieOlympia/sympy,Sumith1896/sympy,Designist/sympy,madan96/sympy,bukzor/sympy,grevutiu-gabriel/sympy,mcdaniel67/sympy,wyom/sympy,Curious72/sympy,abloomston/sympy,vipulroxx/sympy,wanglongqi/sympy,cccfran/sympy,postvakje/sympy,ahhda/sympy,debugger22/sympy,Vishluck/sympy,Titan-C/sympy,mafiya69/sympy,sahmed95/sympy,moble/sympy,emon10005/sympy,meghana1995/sympy,Davidjohnwilson/sympy,bukzor/sympy,sunny94/temp,lidavidm/sympy,ga7g08/sympy,kumarkrishna/sympy,abloomston/sympy,Sumith1896/sympy,MridulS/sympy,shikil/sympy,jbbskinny/sympy,debugger22/sympy,ga7g08/sympy,mafiya69/sympy,chaffra/sympy,garvitr/sympy,saurabhjn76/sympy,dqnykamp/sympy,abloomston/sympy,beni55/sympy,dqnykamp/sympy,ahhda/sympy,ga7g08/sympy,VaibhavAgarwalVA/sympy,MechCoder/sympy,Vishluck/sympy,shikil/sympy,rahuldan/sympy,hargup/sympy,hrashk/sympy,kevalds51/sympy,asm666/sympy,Mitchkoens/sympy,kmacinnis/sympy,jamesblunt/sympy,jbbskinny/sympy,cswiercz/sympy,asm666/sympy,atsao72/sympy,pandeyadarsh/sympy,ChristinaZografou/sympy,farhaanbukhsh/sympy,dqnykamp/sympy,Titan-C/sympy,cccfran/sympy,liangjiaxing/sympy,sampadsaha5/sympy,liangjiaxing/sympy,srjoglekar246/sympy,abhiii5459/sympy,garvitr/sympy,jaimahajan1997/sympy,amitjamadagni/sympy,drufat/sympy,iamutkarshtiwari/sympy,hargup/sympy,skidzo/sympy,kaushik94/sympy,VaibhavAgarwalVA/sympy,Titan-C/sympy,jerli/sympy,yashsharan/sympy,lindsayad/sympy,shikil/sympy,Designist/sympy,beni55/sympy,hargup/sympy,aktech/sympy,mafiya69/sympy,jaimahajan1997/sympy,pbrady/sympy,sahmed95/sympy,oliverlee/sympy,iamutkarshtiwari/sympy,beni55/sympy,cccfran/sympy,aktech/sympy,yukoba/sympy,grevutiu-gabriel/sympy,MechCoder/sympy,VaibhavAgarwalVA/sympy,Designist/sympy,atsao72/sympy,Mitchkoens/sympy,saurabhjn76/sympy,sahmed95/sympy,Vishluck/sympy,Gadal/sympy,kaichogami/sympy,jbbskinny/sympy,emon10005/sympy,atsao72/sympy,garvitr/sympy,AkademieOlympia/sympy,grevutiu-gabriel/sympy,flacjacket/sympy,wanglongqi/sympy,AunShiLord/sympy,rahuldan/sympy,shipci/sympy,Mitchkoens/sympy,kevalds51/sympy,yashsharan/sympy,toolforger/sympy,kevalds51/sympy,cswiercz/sympy,sampadsaha5/sympy,saurabhjn76/sympy,AunShiLord/sympy,bukzor/sympy,Gadal/sympy,skidzo/sympy,skidzo/sympy,rahuldan/sympy,drufat/sympy,Gadal/sympy,maniteja123/sympy,kumarkrishna/sympy,sampadsaha5/sympy,atreyv/sympy,diofant/diofant,oliverlee/sympy,Curious72/sympy,Arafatk/sympy,Davidjohnwilson/sympy,drufat/sympy,kaichogami/sympy,Davidjohnwilson/sympy,MechCoder/sympy,vipulroxx/sympy,postvakje/sympy,wyom/sympy,pandeyadarsh/sympy,ChristinaZografou/sympy,hrashk/sympy,debugger22/sympy,asm666/sympy,chaffra/sympy,liangjiaxing/sympy,yukoba/sympy,Shaswat27/sympy,atreyv/sympy,meghana1995/sympy,hrashk/sympy,yashsharan/sympy,shipci/sympy,kmacinnis/sympy,emon10005/sympy,kaushik94/sympy,cswiercz/sympy,wyom/sympy,Shaswat27/sympy,MridulS/sympy,pbrady/sympy,AkademieOlympia/sympy,jamesblunt/sympy,souravsingh/sympy,jerli/sympy,sunny94/temp,sahilshekhawat/sympy,lindsayad/sympy,lidavidm/sympy,lidavidm/sympy,Arafatk/sympy,postvakje/sympy,aktech/sympy,AunShiLord/sympy,farhaanbukhsh/sympy,abhiii5459/sympy,madan96/sympy,maniteja123/sympy,chaffra/sympy,pandeyadarsh/sympy,abhiii5459/sympy,wanglongqi/sympy,souravsingh/sympy,pbrady/sympy,jamesblunt/sympy