enable None file_paths for related_name
enable None file_paths for related_name

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