prius_overtake error

[sundyCoder]

1. run the prius_overtake demo on Gazebo9, the following error occurs.

Exception in thread Thread-7:
Traceback (most recent call last):
File "/usr/lib/python2.7/threading.py", line 801, in __bootstrap_inner
self.run()
File "/usr/lib/python2.7/threading.py", line 754, in run
self.__target(*self.__args, **self.__kwargs)
File "/opt/ros/kinetic/lib/python2.7/dist-packages/visualstates/codegen/python/state.py", line 93, in run
if tran.checkCondition():
File "prius_overtake.py", line 274, in checkCondition
self.namespace.car_in_front()
File "prius_overtake.py", line 94, in car_in_front
left_laser = self.globalNamespace.front_left_laser
AttributeError: GlobalNamespace instance has no attribute 'front_left_laser'

[pushkalkatara]

Hi @sundyCoder , Could you please check whether the topic /prius/front_left_laser/scan is being published by Gazebo?