Partially revert 1001408 beautify SymPyDeprecationWarning; use warn() method.
Partially revert 1001408 beautify SymPyDeprecationWarning; use warn() method.

This fixes issue 3240: a test failure using 32-bit python 2.7.0, with f2py
installed, that ended in AttributeError: delete non-existing fortran attribute

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