Fix local_settings import error check for Python 3.
Fix local_settings import error check for Python 3.

fusionbox/mezzanine,dovydas/mezzanine,dustinrb/mezzanine,dsanders11/mezzanine,tuxinhang1989/mezzanine,dekomote/mezzanine-modeltranslation-backport,eino-makitalo/mezzanine,Cicero-Zhao/mezzanine,wyzex/mezzanine,jjz/mezzanine,dekomote/mezzanine-modeltranslation-backport,viaregio/mezzanine,Skytorn86/mezzanine,theclanks/mezzanine,stephenmcd/mezzanine,biomassives/mezzanine,ryneeverett/mezzanine,SoLoHiC/mezzanine,jerivas/mezzanine,stephenmcd/mezzanine,biomassives/mezzanine,frankier/mezzanine,spookylukey/mezzanine,molokov/mezzanine,Cicero-Zhao/mezzanine,geodesign/mezzanine,douglaskastle/mezzanine,AlexHill/mezzanine,joshcartme/mezzanine,gradel/mezzanine,spookylukey/mezzanine,jerivas/mezzanine,Cajoline/mezzanine,fusionbox/mezzanine,damnfine/mezzanine,christianwgd/mezzanine,eino-makitalo/mezzanine,industrydive/mezzanine,emile2016/mezzanine,emile2016/mezzanine,Skytorn86/mezzanine,nikolas/mezzanine,jjz/mezzanine,theclanks/mezzanine,dekomote/mezzanine-modeltranslation-backport,ZeroXn/mezzanine,damnfine/mezzanine,promil23/mezzanine,saintbird/mezzanine,ryneeverett/mezzanine,saintbird/mezzanine,readevalprint/mezzanine,dustinrb/mezzanine,sjuxax/mezzanine,geodesign/mezzanine,PegasusWang/mezzanine,promil23/mezzanine,ryneeverett/mezzanine,wyzex/mezzanine,tuxinhang1989/mezzanine,wbtuomela/mezzanine,frankchin/mezzanine,adrian-the-git/mezzanine,mush42/mezzanine,webounty/mezzanine,douglaskastle/mezzanine,wyzex/mezzanine,dsanders11/mezzanine,douglaskastle/mezzanine,biomassives/mezzanine,mush42/mezzanine,readevalprint/mezzanine,christianwgd/mezzanine,theclanks/mezzanine,gradel/mezzanine,spookylukey/mezzanine,sjdines/mezzanine,gradel/mezzanine,molokov/mezzanine,sjdines/mezzanine,mush42/mezzanine,readevalprint/mezzanine,tuxinhang1989/mezzanine,Kniyl/mezzanine,industrydive/mezzanine,webounty/mezzanine,Cajoline/mezzanine,emile2016/mezzanine,SoLoHiC/mezzanine,jerivas/mezzanine,molokov/mezzanine,webounty/mezzanine,promil23/mezzanine,eino-makitalo/mezzanine,PegasusWang/mezzanine,industrydive/mezzanine,dsanders11/mezzanine,geodesign/mezzanine,ZeroXn/mezzanine,nikolas/mezzanine,vladir/mezzanine,frankier/mezzanine,vladir/mezzanine,viaregio/mezzanine,wbtuomela/mezzanine,AlexHill/mezzanine,jjz/mezzanine,Kniyl/mezzanine,damnfine/mezzanine,wbtuomela/mezzanine,Kniyl/mezzanine,dovydas/mezzanine,dustinrb/mezzanine,joshcartme/mezzanine,joshcartme/mezzanine,Skytorn86/mezzanine,dovydas/mezzanine,saintbird/mezzanine,PegasusWang/mezzanine,adrian-the-git/mezzanine,Cajoline/mezzanine,frankchin/mezzanine,adrian-the-git/mezzanine,sjdines/mezzanine,nikolas/mezzanine,ZeroXn/mezzanine,vladir/mezzanine,viaregio/mezzanine,sjuxax/mezzanine,frankier/mezzanine,christianwgd/mezzanine,stephenmcd/mezzanine,sjuxax/mezzanine,SoLoHiC/mezzanine,frankchin/mezzanine