Limit warning filter to torchrl

[antoinebrl]

Description

Because RL_WARNINGS defaults to 1 torchrl adjusts the warning filter on all packages. This surfaces numerous warnings like jsonschema.RefResolver is deprecated etc. When using warnings.filterwarnings with the module argument the filtering can be limited to the torchrl module, and nothing more.

Types of changes

What types of changes does your code introduce? Remove all that do not apply:

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds core functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation (update in the documentation)
• Example (update in the folder of examples)

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/rl/2762

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❗ 1 Active SEVs

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• ROCM Infra failures during checkout of PyTorch

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[vmoens]

LGTM thx a 100^3