Make the doctest for Interval.subset actually test subset
Make the doctest for Interval.subset actually test subset

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