Fixed 2.4 compatibility of Indexed constructor
Fixed 2.4 compatibility of Indexed constructor

Signed-off-by: Ondrej Certik <b816faa87b7d35274d2e545c5be11ed4376f3ccf@certik.cz>

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