Fix failing test in test_matrices.
Fix failing test in test_matrices.

An equality was being checked without taking care of float precision,
yielding the error.

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