small refactoring to make the code cleared
small refactoring to make the code cleared

Tisseo/navitia,ballouche/navitia,patochectp/navitia,CanalTP/navitia,kadhikari/navitia,CanalTP/navitia,pbougue/navitia,ballouche/navitia,kadhikari/navitia,antoine-de/navitia,xlqian/navitia,CanalTP/navitia,patochectp/navitia,pbougue/navitia,antoine-de/navitia,ballouche/navitia,CanalTP/navitia,antoine-de/navitia,ballouche/navitia,pbougue/navitia,kinnou02/navitia,kadhikari/navitia,Tisseo/navitia,Tisseo/navitia,patochectp/navitia,xlqian/navitia,xlqian/navitia,CanalTP/navitia,pbougue/navitia,kinnou02/navitia,patochectp/navitia,kinnou02/navitia,xlqian/navitia,Tisseo/navitia,antoine-de/navitia,kadhikari/navitia,Tisseo/navitia,kinnou02/navitia,xlqian/navitia