Maximilien Le Clei

[BUG?] `tuple` + `jaxtyping.Num` + `torch.Tensor` = `_BeartypeCallHintPepRaiseDesynchronizationException` = :vomiting_face:

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Hey Cecil, hope all is well! Not sure what happened but your brain child asked me to post it so here I am. `tuple` + `jaxtyping.Num` on a `torch.Tensor`. This...

[Question] Markov property for feature-based control tasks

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### Question Do you happen to know if state signals in Classic Control, Box2D & MuJoCo tasks all possess the Markov Property?

Any update on the modulate fusion kernel?

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Seems like you've been suggesting people to not use it recently, was wondering whether the issue has been identified?

Does `Trainer(devices=1)` use all CPUs?

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### Bug description https://github.com/Lightning-AI/pytorch-lightning/blob/3740546899aedad77c80db6b57f194e68c455e28/src/lightning/fabric/accelerators/cpu.py#L75 `cpu_cores` being a list of integers will always raise an exception, which shouldn't according to the Trainer documentation/this function signature ### What version are you seeing...

[BUG] Tutorial #4, gym compat

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## Describe the bug The cell ``` from torchrl.envs import [GymEnv](https://pytorch.org/docs/stable/generated/torch.nn.Module.html#torch.nn.Module) env = [GymEnv](https://pytorch.org/docs/stable/generated/torch.nn.Module.html#torch.nn.Module)("CartPole-v1", from_pixels=True, pixels_only=False) print(env.rollout(max_steps=3)) from torchrl.envs import [TransformedEnv] ``` from tutorial # 4 (https://pytorch.org/rl/stable/tutorials/getting-started-4.html) returns `ModuleNotFoundError: No...