[BE] Fix some typos

[antoinebrl]

No description provided.

[pytorch-bot]

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🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/rl/2811

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❌ 3 New Failures, 9 Pending, 2 Unrelated Failures

As of commit a691e68 with merge base d4f8846 ():

NEW FAILURES - The following jobs have failed:

• Continuous Benchmark (PR) / CPU Pytest benchmark (gh)
  Process completed with exit code 1.
• Continuous Benchmark (PR) / GPU Pytest benchmark (gh)
  Process completed with exit code 1.
• Habitat Tests on Linux / tests (3.9, 12.4) / linux-job (gh)
  RuntimeError: Command docker exec -t d53157f647a958c42d2ccc7ea780759d54a118f92b2b25f8232f459fcaa1df30 /exec failed with exit code 1

BROKEN TRUNK - The following jobs failed but were present on the merge base:

👉 Rebase onto the `viable/strict` branch to avoid these failures

• Continuous Benchmark / CPU Pytest benchmark (gh) (trunk failure)
  Process completed with exit code 1.
• Continuous Benchmark / GPU Pytest benchmark (gh) (trunk failure)
  Process completed with exit code 1.

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[vmoens]

Quickly skimmed through the PR and it all looks good!

[vmoens]

@antoinebrl seems like the lint is failing :)

[antoinebrl]

Thanks for pointing this out!
test/test_transforms.py has been reformatted. CI should be green now!