def loadStops(self): route = Route(self.str_route) # dict_stops = route.loadStopsDict() dict_routes = route.loadRoutesDict() set_allStops = set() for str_routeAbb in dict_routes.keys(): set_allStops = set_allStops.union(dict_routes[str_routeAbb]) self.l_stops = list(set_allStops)