modify solve_poly_inequality
modify solve_poly_inequality

o assert that the input is Poly
o raise an error if a Relational involving a number doesn't evaluate

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