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zero-dimensional tensor (at position 0) cannot be concatenated - Simple CartPole example without loggin about autonomous-learning-library HOT 1 CLOSED

drozzy avatar drozzy commented on June 10, 2024
zero-dimensional tensor (at position 0) cannot be concatenated - Simple CartPole example without loggin

from autonomous-learning-library.

Comments (1)

cpnota avatar cpnota commented on June 10, 2024

The reason is that PPO is a ParallelAgent which accepts a StateArray as input. Configure the preset as:

preset = ppo.device(device).hyperparameters(n_envs=1).env(env).build()

and everywhere you call agent.act(state), instead call:

from all.core import State

self._agent.act(State.array([state]))

from autonomous-learning-library.

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