[Jormungandr] Update requirements for py3
[Jormungandr] Update requirements for py3

CanalTP/navitia,xlqian/navitia,Tisseo/navitia,CanalTP/navitia,Tisseo/navitia,CanalTP/navitia,CanalTP/navitia,xlqian/navitia,xlqian/navitia,Tisseo/navitia,Tisseo/navitia,Tisseo/navitia,xlqian/navitia,xlqian/navitia,CanalTP/navitia