Skip the codegen tests in Python 2.4 on Windows
Skip the codegen tests in Python 2.4 on Windows

The subprocess module causes the test runner to fail completely in this
environment.  Thanks to Renato Coutinho and Chris Smith for help
debugging this.

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