Fixes #2471 by changing the '==' operator to 'is' when comparing a value to None
Fixes #2471 by changing the '==' operator to 'is' when comparing a value to None

allanino/nupic,SaganBolliger/nupic,darshanthaker/nupic,pap/nupic,sambitgaan/nupic,passiweinberger/nupic,SaganBolliger/nupic,numenta-ci/nupic,markneville/nupic,elkingtonmcb/nupic,vamsirajendra/nupic,elkingtonmcb/nupic,chen0031/nupic,wanghaven/nupic,chanceraine/nupic,cogmission/nupic,vitaly-krugl/nupic,EricSB/nupic,numenta/nupic,numenta-ci/nupic,brev/nupic,neuroidss/nupic,fergalbyrne/nupic,ywcui1990/nupic,blueburningcoder/nupic,sambitgaan/nupic,go-bears/nupic,cngo-github/nupic,vamsirajendra/nupic,rayNymous/nupic,pap/nupic,EricSB/nupic,subutai/nupic,rhyolight/nupic,numenta/nupic,arhik/nupic,runt18/nupic,fergalbyrne/nupic,pulinagrawal/nupic,mcanthony/nupic,BeiLuoShiMen/nupic,alfonsokim/nupic,runt18/nupic,subutai/nupic,darshanthaker/nupic,passiweinberger/nupic,BoltzmannBrain/nupic,scottpurdy/nupic,jcasner/nupic,ben-hopps/nupic,brev/nupic,rcrowder/nupic,ben-hopps/nupic,BoltzmannBrain/nupic,badlogicmanpreet/nupic,chanceraine/nupic,rcrowder/nupic,ywcui1990/nupic,BeiLuoShiMen/nupic,badlogicmanpreet/nupic,rcrowder/nupic,blueburningcoder/nupic,wanghaven/nupic,brev/nupic,allanino/nupic,SaganBolliger/nupic,rhyolight/nupic,fergalbyrne/nupic,numenta/nupic,darshanthaker/nupic,vamsirajendra/nupic,glorizen/nupic,cogmission/nupic,arhik/nupic,metaml/nupic,badlogicmanpreet/nupic,EricSB/nupic,vitaly-krugl/nupic,markneville/nupic,scottpurdy/nupic,breznak/nupic,lscheinkman/nupic,blueburningcoder/nupic,markneville/nupic,breznak/nupic,elkingtonmcb/nupic,pulinagrawal/nupic,GeraldLoeffler/nupic,allanino/nupic,chen0031/nupic,numenta-ci/nupic,sambitgaan/nupic,marionleborgne/nupic,jcasner/nupic,marionleborgne/nupic,scottpurdy/nupic,lscheinkman/nupic,rayNymous/nupic,GeraldLoeffler/nupic,jcasner/nupic,rhyolight/nupic,glorizen/nupic,alfonsokim/nupic,breznak/nupic,mcanthony/nupic,lscheinkman/nupic,glorizen/nupic,metaml/nupic,go-bears/nupic,cngo-github/nupic,neuroidss/nupic,mcanthony/nupic,ywcui1990/nupic,metaml/nupic,vitaly-krugl/nupic,chen0031/nupic,ben-hopps/nupic,wanghaven/nupic,alfonsokim/nupic,arhik/nupic,go-bears/nupic,chanceraine/nupic,GeraldLoeffler/nupic,runt18/nupic,neuroidss/nupic,BoltzmannBrain/nupic,passiweinberger/nupic,subutai/nupic,cngo-github/nupic,cogmission/nupic,pap/nupic,marionleborgne/nupic,BeiLuoShiMen/nupic,pulinagrawal/nupic,rayNymous/nupic