Do some type checking in ask(), see issue 2322
Do some type checking in ask(), see issue 2322

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