fix sphinx errors in compatibility
fix sphinx errors in compatibility

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