552b063c80f0a9738c3f29f3b20d9530a30d4921,flow/core/vehicles.py,Vehicles,_multi_lane_headways,#Vehicles#Any#,800

Before Change

                edges, _ = zip(*edges)
                self._ids_by_edge[edge_id] = list(edges)
            else:
                self._ids_by_edge[edge_id] = list()

    def _multi_lane_headways_util(self, veh_id, edge_dict, num_edges, env):
        
        Utility function for _multi_lane_headways(); computes the required

After Change

        // sort all lanes in each edge by position
        for edge in tot_list:
            if edge_dict[edge] is None:
                del edge_dict[edge]
            else:
                for lane in range(max_lanes):
                    edge_dict[edge][lane].sort(key=lambda x: x[1])

        for veh_id in self.get_rl_ids():
            // collect the lane leaders, followers, headways, and tailways for
            // each vehicle
            headways, tailways, leaders, followers = \

Instances