Revert "cse hanlding of IndexedBase"
Revert "cse hanlding of IndexedBase"

This reverts commit a574d35bd7916ba7bb30eff731984e6d6afd493e.

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