[BugFix] Add torch.no_grad() for rendering in multiagent PPO tutorial
#1511
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Oct 10, 2023
…al (pytorch#1511) Signed-off-by: Matteo Bettini <matbet@meta.com>
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Fixes #1509
This PR adds
torch.no_grad()for the suggested rendering code in the multiagent PPO tutorial.This will not be needed in future VMAS versions where the simulator will automatically detach incoming gradients, but still this change helps to have no erra\ors in all vmas versions.