Fix torchscript related test failures.

[pearu]

As in title. An alternative to #4061.

Motivation: having working unit-tests is a prerequisite for transition to torch stable ABI per #3902 .

PLEASE NOTE THAT THE TORCHAUDIO REPOSITORY IS NO LONGER ACTIVELY MONITORED. You may not get a response. For open discussions, visit https://discuss.pytorch.org/.

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/audio/4069

• 📄 Preview Python docs built from this PR

Note: Links to docs will display an error until the docs builds have been completed.

❌ 2 New Failures, 3 Unrelated Failures

As of commit e30a9b7 with merge base c1afcb9 ():

NEW FAILURES - The following jobs have failed:

• .github/workflows/integration-test.yml (gh)
• Build Aarch64 Linux Wheels / pytorch/audio / build-wheel-py3_10-cuda-aarch6413_0-aarch64 (gh)

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

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

• Build Aarch64 Linux Wheels / pytorch/audio / upload / upload-wheel-py3_10-cuda-aarch6413_0-aarch64 (gh) (trunk failure)
  Unable to download artifact(s): Artifact not found for name: pytorch_audio__3.10_cu130_aarch64
• Build Windows Wheels / pytorch/audio / build-wheel-py3_10-cuda13_0 (gh) (trunk failure)
  Process completed with exit code 1.
• Build Windows Wheels / pytorch/audio / upload / upload-wheel-py3_10-cuda13_0 (gh) (trunk failure)
  Unable to download artifact(s): Artifact not found for name: pytorch_audio__3.10_cu130_x64

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