AttributeError: 'dict' object has no attribute 'position'

[Chen1DONG]

D:\Anaconda\envs\DL\python.exe D:/uav/airsim_rl/SAC.py
Connected!
Client Ver:1 (Min Req: 1), Server Ver:1 (Min Req: 1)

Traceback (most recent call last):
File "D:\uav\airsim_rl\SAC.py", line 676, in
sac(device=device)
File "D:\uav\airsim_rl\SAC.py", line 401, in sac
env = AirSimEnv(need_render=False)
File "D:\uav\airsim_rl\gym_airsim\envs\AirGym.py", line 49, in init
self.prev_state = self.init_state_f()
File "D:\uav\airsim_rl\gym_airsim\envs\AirGym.py", line 80, in init_state_f
now = self.airgym.drone_pos()[:2]
File "D:\uav\airsim_rl\gym_airsim\envs\airlearningclient.py", line 112, in drone_pos
x = self.client.simGetGroundTruthKinematics().position.x_val
AttributeError: 'dict' object has no attribute 'position'