Add __init__.py for sympy/calculus
Add __init__.py for sympy/calculus

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