Fix expand() docstring to render correctly in Sphinx
Fix expand() docstring to render correctly in Sphinx

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