Added sympy.stats classes to test_args
Added sympy.stats classes to test_args

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