15from ament_index_python 
import get_package_share_path
 
   16from launch 
import LaunchDescription
 
   17from launch_ros.actions 
import Node
 
   21    package_share_path = get_package_share_path(
"carma_cooperative_perception")
 
   23    multiple_object_tracker_node = Node(
 
   24        package=
"carma_cooperative_perception",
 
   25        executable=
"multiple_object_tracker_node",
 
   26        name=
"multiple_object_tracker",
 
   27        parameters=[package_share_path / 
"config/params.yaml"],
 
   30    host_vehicle_filter_node = Node(
 
   31        package=
"carma_cooperative_perception",
 
   32        executable=
"host_vehicle_filter_node",
 
   33        name=
"host_vehicle_filter",
 
   34        parameters=[package_share_path / 
"config/params.yaml"],
 
   37    return LaunchDescription([multiple_object_tracker_node, host_vehicle_filter_node])
 
def generate_launch_description()