Added NotIterable to parents of tensor.IndexedBase (enables cse)
Added NotIterable to parents of tensor.IndexedBase (enables cse)

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