Fix visual factorint to work in Python 2.5/2.4
Fix visual factorint to work in Python 2.5/2.4

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