remove use of nonzero in _eval_is_(real/imaginary)
remove use of nonzero in _eval_is_(real/imaginary)

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