Check for Limit with isinstance instead of has in _eval_interval
Check for Limit with isinstance instead of has in _eval_interval

This is better because the original expression might have contained a Limit.
With changes from #8340, this should no longer be necessary.

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