polys: Fixed issue with tuple.index() (Py2.5)
polys: Fixed issue with tuple.index() (Py2.5)

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