Removed unneccasry base class _eval_trace() definitions
Removed unneccasry base class _eval_trace() definitions

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