change the return of _Importer.follow_file_system
change the return of _Importer.follow_file_system

flurischt/jedi,jonashaag/jedi,flurischt/jedi,tjwei/jedi,WoLpH/jedi,jonashaag/jedi,dwillmer/jedi,mfussenegger/jedi,mfussenegger/jedi,tjwei/jedi,dwillmer/jedi,WoLpH/jedi