Fixes issue #9334
Fixes issue #9334

the numexpr printer was only activated if the string 'numexpr' was found
in the modules list.  This commit adds the function '_module_present'
which also checks for a module with module.__name__ == 'numexpr' to
activate the numexpr printer

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