Travis: remove pypy from allowed failures
Travis: remove pypy from allowed failures

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