run scenic examples/carla/pedestrian.scenic --model scenic.simulators.carla.model --simulate

[Yxj-study]

(chatscene) robot@WP:~/桌面/Scenic$ scenic examples/carla/pedestrian.scenic --model scenic.simulators.carla.model --simulate
Beginning scenario construction...
pygame 2.3.0 (SDL 2.24.2, Python 3.8.20)
Hello from the pygame community. https://www.pygame.org/contribute.html
Loading cached version of road network...
Loaded cached network in 0.40 seconds.
Traceback (most recent call last; use -b to show Scenic internals):
File "/home/robot/桌面/Scenic/examples/carla/pedestrian.scenic", line 5
ego = new Car
^
ScenicSyntaxError: invalid syntax

How can I solve it?