combinatorics/permutations: Corrected doctests of inversions.
combinatorics/permutations: Corrected doctests of inversions.

Signed-off-by: Saptarshi Mandal <13ec3c7bab52575f3a0cda6406c76269cc13b041@gmail.com>

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