AttributeError: 'DiagGaussianPdType' object has no attribute 'pdfromlatent'

[xjy8943]

Traceback (most recent call last):
File "E:/桌面/github_video/candy-master/main.py", line 644, in
main()
File "E:/桌面/github_video/candy-master/main.py", line 627, in main
wrapper = Carla_Wrapper()
File "E:\桌面\github_video\candy-master\carla_wrapper.py", line 27, in init
self.machine = Machine()
File "E:\桌面\github_video\candy-master\candy_model.py", line 68, in init
self.ppo = PPO(args, 'ppo', z=z, test_z=test_z, ent_coef=0.00000001, vf_coef=1, max_grad_norm=0.5)
File "E:\桌面\github_video\candy-master\modules\ppo.py", line 80, in init
act_model = LstmPolicy(args, 'ppo', test_z, 1, 1, reuse=False)
File "E:\桌面\github_video\candy-master\modules\ppo.py", line 46, in init
self.pd, self.pi = self.pdtype.pdfromlatent(o)
AttributeError: 'DiagGaussianPdType' object has no attribute 'pdfromlatent'
请问找不到 pdfromlatent 怎么回事啊 用的baselines 0.1.5